Display apparatus
11662775 · 2023-05-30
Assignee
Inventors
Cpc classification
G09F9/301
PHYSICS
G06F1/1652
PHYSICS
G06F1/1626
PHYSICS
G06F1/1637
PHYSICS
Y02E10/549
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
International classification
G06F1/00
PHYSICS
Abstract
A display apparatus includes: a display panel including a light emitting structure and including a main display area, a left edge display area adjacent to the main display area, and a right edge display area adjacent to the main display area; and a first pattern film attached under the display panel and overlapping with the main display area and the left and right edge display areas, the first pattern film having a stiffness higher than a stiffness of the display panel, and a stress dispersing portion is located on the first pattern film.
Claims
1. A display apparatus comprising: a display panel comprising a light emitting structure and including a main display area, a left edge display area adjacent to the main display area, and a right edge display area adjacent to the main display area; and a first pattern film attached under the display panel and overlapping with the main display area and the left and right edge display areas, the first pattern film having a stiffness higher than a stiffness of the display panel, wherein a stress dispersing portion is located on the first pattern film, and wherein the stress dispersing portion comprises an opening having an arc shape in a plan view.
2. The display apparatus of claim 1, wherein the opening is in a form of a slit.
3. The display apparatus of claim 2, wherein the opening extends along a curved line.
4. The display apparatus of claim 1, wherein the opening comprises a plurality of slits concentrically arranged in an arc shape.
5. The display apparatus of claim 1, wherein the left edge display area comprises a first left edge display area adjacent to the main display area, and second and third left edge display areas adjacent to opposite longitudinal ends of the first left edge display area, respectively, and wherein the stress dispersing portion is located in the second left edge display area and the third left edge display area.
6. A display apparatus comprising: a display panel comprising a light emitting structure and including a main display area, a left edge display area adjacent to the main display area, and a right edge display area adjacent to the main display area; and a first pattern film attached under the display panel and overlapping with the main display area and the left and right edge display areas, the first pattern film having a stiffness higher than a stiffness of the display panel, wherein a stress dispersing portion is located on the first pattern film, wherein the stress dispersing portion comprises a groove located on a surface of the first pattern film, and wherein the groove has a shape defined by a plurality of arcs that are concentrically arranged.
7. The display apparatus of claim 6, wherein the surface of the first pattern film on which the groove is located contacts the display panel.
8. The display apparatus of claim 6, wherein the surface of the first pattern film on which the groove is located is opposite to a surface of the first pattern film which contacts the display panel.
9. The display apparatus of claim 1, wherein the left edge display area and the right edge display area are bent in a direction perpendicular to the main display area to define curved surfaces, respectively, and wherein a neutral plane of each of the curved surfaces is located in the display panel such that compression is applied to the first pattern film.
10. The display apparatus of claim 1, wherein the display panel further includes a bending area adjacent to the main display area, and wherein the bending area is bent in a direction perpendicular to the main display area such that a part of the bending area faces a rear surface of the main display area to overlap with the main display area.
11. The display apparatus of claim 10, further comprising a second pattern film attached under the bending area of the display panel.
12. The display apparatus of claim 1, wherein the display panel comprises a flexible organic light emitting display panel, and the light emitting structure comprises a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer.
13. The display apparatus of claim 1, wherein the first pattern film comprises polyethylene terephthalate.
14. A display apparatus comprising: a display panel comprising a main display area on a plane defined in a first direction and a second direction perpendicular to the first direction, and a curved display area adjacent to the main display area and bent with respect to the plane in a third direction perpendicular to the first and second directions; and a pattern film attached under the display panel, wherein a groove or a slit opening is located in a portion of the pattern film overlapping with the curved display area, and wherein the groove or the slit opening has an arc shape in a plan view.
15. The display apparatus of claim 14, wherein a neutral plane of the curved display area is located in the display panel such that compression is applied to the pattern film.
16. The display apparatus of claim 14, wherein the curved display area extends in the second direction, and the groove or the slit opening comprises a plurality of grooves or slit openings formed at opposite ends of the curved display area in the second direction.
17. The display apparatus of claim 16, wherein the opposite ends of the curved display area in the second direction have a rounded edge shape, and the groove or the slit opening has a curved shape adjacent to the rounded edge shape.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) Some illustrative, non-limiting example embodiments will be described in the following detailed description in conjunction with the accompanying drawings.
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
DETAILED DESCRIPTION
(21) Herein, some example embodiments of the present inventive concept will be described in further detail with reference to the accompanying drawings. The inventive concepts may, however, be embodied in many different forms, and should not be construed as limited to the embodiments set forth herein.
(22) In the present disclosure, it is to be understood that when an element or layer is referred to as being “on,” “connected to,” or “coupled to” another element or layer, it may be directly on, connected, or coupled to the other element or layer, or one or more intervening elements or layers may be present.
(23) Like numerals refer to like elements throughout. In the drawings, the thickness, ratio, and dimensions of components may be exaggerated for ease of description of the technical content.
(24) As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.
(25) It is to be understood that, although the terms “first,” “second,” etc. may be used herein to describe various elements, components, regions, layers, and/or sections, these elements, components, regions, layers, and/or sections should not be limited by these terms. These terms are used to distinguish one element, component, region, layer, or section from another element, component, region, layer, or section. Thus, a first element, component, region, layer, or section discussed below could be termed a “second” element, component, region, layer, or section without departing from the teachings of the present disclosure. As used herein, the singular forms, “a,” “an,” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
(26) Spatially relative terms, such as “beneath,” “below,” “lower,” “above,” “upper,” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures.
(27) Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It is to be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and are not to be interpreted in an idealized or overly formal sense unless expressly so defined herein.
(28)
(29) Referring to
(30) The display panel PN may include a display area where an image is displayed, and a non-display area (not shown) around (e.g., surrounding) the display area. In an embodiment, the display area may include a main display area MDA, a right edge display area REA, and a left edge display area LEA.
(31) The main display area MDA may be disposed on a plane formed in a first direction D1 and a second direction D2 perpendicular to the first direction D1.
(32) The right edge display area REA may extend in the second direction D2 and may be adjacent to the main display area MDA in the first direction D1. The right edge display area REA may be a curved display area which is bent in a third direction D3 perpendicular to the first and second directions D1 and D2 with respect to the plane on which the main display area MDA is disposed.
(33) The right edge display area REA may include a first right edge display area REA1, a second right edge display area REA2, and a third right edge display area REA3. The first right edge display area REA1 may be adjacent to the main display area MDA in the first direction D1. The second right edge display area REA2 and the third right edge display area REA3 may be adjacent to opposite longitudinal ends of the first right edge display area REA1, that is, may be adjacent to opposite ends defined in the second direction D2.
(34) The left edge display area LEA may extend in the second direction D2 and may be adjacent to the main display area MDA in the first direction D1. The left edge display area LEA may be a curved display area which is bent in a third direction D3 perpendicular to the first and second directions D1 and D2 with respect to the plane on which the main display area MDA is disposed.
(35) The left edge display area LEA may include a first left edge display area LEA1, a second left edge display area LEA2, and a third left edge display area LEA3. The first left edge display area LEA1 may be adjacent to the main display area MDA in the first direction D1. The second left edge display area LEA2 and the third left edge display area LEA3 may be adjacent to opposite longitudinal ends of the first left edge display area LEA1, respectively, that is, may be adjacent to opposite ends defined in the second direction D2.
(36) In an embodiment, the display area including the main display area MDA, the left edge display area LEA, and the right edge display area REA may have a rectangular shape as a whole with rounded edges. That is, the second and third left edge display regions LEA2 and LEA3 and the second and third right edge display regions REA2 and REA3 may have rounded edge shapes.
(37) In an embodiment, the display panel PN may further include a bending area BA. The bending area BA may be bent in a direction perpendicular to the main display area PN, that is, in a third direction D3 perpendicular to the first direction D1 and the second direction D2, such that a part of the bending area BA may be disposed to face a rear surface of the main display area MDA to overlap with the main display area MDA. In an embodiment, a driving circuit for driving the display apparatus and a front portion of a pad to be connected to an external device may be disposed in the bending area BA.
(38) The first pattern film PFL1 may be attached under the display panel PN to overlap with the main display area MDA and the left and right edge display areas LEA and REA. In an embodiment, the first pattern film PFL1 may have a stiffness higher than that of the display panel. In an embodiment, the first pattern film PFL1 may be formed of a material such as a synthetic resin. For example, the first pattern film PFL1 may include polyethylene terephthalate (PET).
(39) The second pattern film PFL2 may be attached under the display panel PN to overlap with a portion of the bending area BA. In an embodiment, the second pattern film PFL2 may be spaced apart from the first pattern film PFL1 and may be formed of a material the same as the first pattern film PFL1.
(40) In an embodiment, the display panel PN may be a flexible organic light emitting display panel. For example, the display panel may include a flexible base substrate, a thin film transistor and a circuit wiring disposed on the flexible base substrate, a first electrode electrically connected to the thin film transistor and the circuit wiring, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer. The display panel may be a flexible display panel having any of various well-known structures, so a further detailed description thereof will be omitted.
(41)
(42) Referring to
(43) That is, the slit openings SL may be formed in portions that overlap the second left edge display area LEA2, the third left edge display area LEA3, the second right edge display area REA2, and the third right edge display area REA3 of the display panel PN.
(44) In an embodiment, the slit opening SL may be formed along a curved line. For example, the slit opening SL may have a curved shape corresponding to a rounded edge shape of an edge of the edge display areas. For example, the slit opening SL may have an arc shape defined by a plurality of slits which are concentrically arranged. The slit opening SL may be formed in the first pattern film PFL1 by a process (e.g., a predetermined process), such as laser cutting.
(45) Although the slit opening SL has been described as being formed along a curved line in an embodiment, embodiments of the present inventive concept are not limited thereto. For example, the slit opening SL may have a straight line shape extending in the first direction D1 and the second direction D2, or a straight line shape extending in a direction inclined from the first direction D1 by an angle (e.g., a predetermined angle).
(46)
(47) Referring to
(48) The pattern film PFL may include a main display area MDA, a right edge display area REA, a left edge display area LEA, and a bending area BA. The right edge display area REA may include a first right edge display area REA1, a second right edge display area REA2, and a third right edge display area REA3. The left edge display area LEA may include a first left edge display area LEA1, a second left edge display area LEA2, and a third left edge display area LEA3.
(49) Slit openings SL, which are stress dispersing portions, may be formed corresponding to four edges of the pattern film PFL, that is, the second left edge display area LEA2, the third left edge display area LEA3, the second right edge display area REA2, and the third right edge display area REA3.
(50)
(51) Referring to
(52) Referring to
(53) As a result, materials constituting the first pattern film PFL1 may be pushed out in the second direction D2 and swollen at the end of the first pattern film PFL1 defined in the second direction D2 due to the compression (see
(54) According to one or more embodiments, the stress is dispersed by the slit opening SL of the first pattern film PFL1 positioned under the second left edge display area LEA2, such that materials constituting the first pattern film PFL1 may be prevented or substantially prevented from being pushed out in the second direction D2 and swollen, thereby preventing or substantially preventing damage and cracking of the display panel at the edges of the display panel PN.
(55) Although not described individually, the slit openings corresponding to the third left edge display area LEA3, the second right edge display area REA2, and the third right edge display area REA3 may have the same effect. As a result, damage and cracking of the display panel may be prevented or substantially prevented at the edges of the display panel PN.
(56)
(57) Referring to
(58) The display apparatus may include a display panel PN and a first pattern film PFL1.
(59) The display panel may include a main display area MDA on which an image is displayed, a right edge display area REA, and a left edge display area LEA. The right edge display area REA may include a first right edge display area REA1, a second right edge display area REA2, and a third right edge display area REA3. The left edge display area LEA may include a first left edge display area LEA1, a second left edge display area LEA2, and a third left edge display area LEA3.
(60) Stress dispersing portions may be formed corresponding to four edges of the first pattern film PFL1 of the display apparatus, that is, the second left edge display area LEA2, the third left edge display area LEA3, the second right edge display area REA2, and the third right edge display area REA3.
(61) The stress dispersing portion may be a groove GR formed on a surface of the first pattern film PFL1. In an embodiment, the groove GR may be formed on a surface of the first pattern film PFL1 where the first pattern film PFL1 is in contact with the display panel PN.
(62) Although the groove GR shown in the drawings has a curved shape, embodiments of the present inventive concept are not limited thereto.
(63)
(64) Referring to
(65) The display apparatus may include a display panel PN and a first pattern film PFL1.
(66) The display panel may include a main display area MDA on which an image is displayed, a right edge display area REA, and a left edge display area LEA. The right edge display area REA may include a first right edge display area REA1, a second right edge display area REA2, and a third right edge display area REA3. The left edge display area LEA may include a first left edge display area LEA1, a second left edge display area LEA2, and a third left edge display area LEA3.
(67) Stress dispersing portions may be formed corresponding to four edges of the first pattern film PFL1 of the display apparatus, that is, the second left edge display area LEA2, the third left edge display area LEA3, the second right edge display area REA2, and the third right edge display area REA3.
(68) The stress dispersing portion may be a groove GR formed on a surface of the first pattern film PFL1. In an embodiment, the groove GR may be formed on a surface of the first pattern film PFL1 opposite to a surface where the first pattern film PFL1 is in contact with the display panel PN.
(69) Although the groove GR shown in the drawings has a curved shape, embodiments of the present inventive concept are not limited thereto.
(70)
(71) Referring to
(72) The processor 510 may perform various computing functions. The processor 510 may be a microprocessor, a central processing unit (CPU), an application processor (AP), etc. The processor 510 may be coupled to other components via an address bus, a control bus, a data bus, etc. Further, the processor 510 may be coupled to an extended bus, such as a peripheral component interconnection (PCI) bus. The memory device 520 may store data for operations of the electronic apparatus 500. For example, the memory device 520 may include at least one non-volatile memory device, such as an erasable programmable read-only memory (EPROM) device, an electrically erasable programmable read-only memory (EEPROM) device, a flash memory device, a phase change random access memory (PRAM) device, a resistance random access memory (RRAM) device, a nano floating gate memory (NFGM) device, a polymer random access memory (PoRAM) device, a magnetic random access memory (MRAM) device, a ferroelectric random access memory (FRAM) device, etc., and/or at least one volatile memory device, such as a dynamic random access memory (DRAM) device, a static random access memory (SRAM) device, a mobile DRAM device, etc. The storage device 530 may include a solid state drive (SSD) device, a hard disk drive (HDD) device, a CD-ROM device, etc. The I/O device 540 may include an input device, such as a keyboard, a keypad, a mouse device, a touchpad, a touchscreen, etc., and an output device, such as a printer, a speaker, etc. The power supply 550 may provide power for operations of the electronic apparatus 500.
(73) The display apparatus 560 may be coupled to other components via the buses or other communication links. In some example embodiments, the I/O device 540 may include the display apparatus 560. As described above, the display apparatus 560 may include a display panel having a light emitting structure and including a main display area and a curved display area adjacent to the main display area, and a first pattern film attached to a lower portion of the display panel (i.e., under the display panel) while overlapping with the main display area and the curved display area and having a stiffness higher than that of the display panel. Stress may be dispersed in the first pattern film by a stress dispersing portion in a form of a slit opening or a groove, thereby preventing or substantially preventing a material constituting the first pattern film from being pushed out and/or swollen, such that breakage and cracking of the display panel may be prevented or substantially prevented at an edge of the display panel. Since these are described above, duplicated description related thereto will not be repeated.
(74)
(75) Referring to
(76) One or more embodiments of the present inventive concept may be applied to a display apparatus and an electronic apparatus including the display apparatus. For example, one or more embodiments of the present inventive concept may be applied to a smartphone, a cellular phone, a video phone, a smart pad, a smart watch, a tablet PC, a car navigation system, a television, a computer monitor, a laptop, a head mounted display apparatus, etc.
(77) The foregoing is illustrative of some example embodiments and is not to be construed as limiting thereof. Although some example embodiments have been described, those skilled in the art will readily appreciate that many modifications are possible in the example embodiments without materially departing from the novel teachings and aspects of the present inventive concept. Accordingly, all such modifications are intended to be included within the scope of the present inventive concept as set forth in the claims. Therefore, it is to be understood that the foregoing is illustrative of various example embodiments and is not to be construed as limited to the specific example embodiments disclosed, and that modifications to the disclosed example embodiments, as well as other example embodiments, are intended to be included within the scope of the appended claims.