B32B2457/208

FLEXIBLE DISPLAY WINDOW AND ELECTRONIC DEVICE HAVING THE SAME
20210382524 · 2021-12-09 ·

A flexible display window and an electronic device having the same are provided. The electronic device includes a housing including a first rigid portion and a flexible portion, at least one outer layer that covers the first rigid portion and the flexible portion, a display device including a screen including a first portion exposed through the first rigid portion and a second portion extended from the first portion and exposed through the flexible portion, at least one processor electrically coupled to the display device, and a memory electrically coupled to the at least one processor, wherein the outer layer includes a polymer layer, a glass layer interposed between the polymer layer and the screen, and an adhesive layer interposed between the polymer layer and the glass layer.

Touch screen display and electronic device including same
11192339 · 2021-12-07 · ·

One embodiment of the disclosure discloses a touch screen display including a first polarizing plate, a second polarizing plate disposed under the first polarizing plate, a touch panel disposed between the first polarizing plate and the second polarizing plate, a display panel disposed under the second polarizing plate, and a photosensitive adhesive member disposed at least between the first polarizing plate and the touch panel or between the second polarizing plate and the display panel. Further, one embodiment of the disclosure discloses an electronic device including the touch screen display. In addition, various embodiments are possible which are understood through the specification.

Polymer foam adhesive tape and pressure-sensitive type touch panel comprising the same

A polymer foam adhesive tape including: a substrate film; a polymer foam layer provided on one surface of the substrate film; a first adhesive layer provided on the polymer foam layer; and a second adhesive layer provided on the other surface of the substrate film, in which the polymer foam adhesive tape has a minimum compression load of 30 g to 300 g, a compression rate of the polymer foam adhesive tape is increased in proportion to a linear function according to an increase in pressure when pressure, which is equal to or more than the minimum compression load, is applied, and a thickness recovery rate of the polymer foam adhesive tape after pressure is removed is increased in proportion to a linear function as time passes.

LAMINATING METHOD AND DEVICE FOR DISPLAY MODULE, DISPLAY MODULE AND ELECTRONIC DEVICE
20210370658 · 2021-12-02 ·

The present disclosure relates to a laminating method and device for a display module, a display module and an electronic device. The laminating method includes steps of: laminating a second panel on a first surface of a first panel, and positioning the second panel relative to the first panel; and coating a bonding adhesive on a side surface of the second panel along an outer circumference of the second panel and curing the bonding adhesive to form a sealing frame adhesive on an outer circumference side of the second panel and the first surface of the first panel, so that the first panel and the second panel are bonded and fixed by the sealing frame adhesive, wherein a gap defined by the sealing frame adhesive, the first panel and the second panel is in a negative pressure state.

FLEXIBLE DISPLAY DEVICE AND ELECTRONIC DEVICE
20210376268 · 2021-12-02 ·

A flexible display device and an electronic device are provided. The flexible display device includes: a flexible display panel; a plurality of functional members on a side of the flexible display panel, including a first functional member, a second functional member, and a third functional member; a back film on the other side of the flexible display panel; a supporting member on a side of the back film away from the flexible display panel; and a plurality of adhesive layers, including a first adhesive layer, a second adhesive layer, a third adhesive layer, a fourth adhesive, and a fifth adhesive layer. The third functional member includes a touch module including a touch substrate, a sensor layer, and an adhesive material layer between the sensor layer and the touch substrate, the modulus of the adhesive material layer is not less than the modulus of each of five adhesive layers.

Alkali-free glass substrate, laminated substrate, and method for manufacturing glass substrate
11370694 · 2022-06-28 · ·

An alkali-free glass substrate includes, as represented by molar percentage based on oxides, 11.0% or more of Al.sub.2O.sub.3, 8.0% or more of B.sub.2O.sub.3, and 1% or more of SrO. The alkali-free glass substrate has an average coefficient of thermal expansion α.sub.100/200 at 100 to 200° C. of from 3.10 ppm/° C. to 3.70 ppm/° C., a Young's modulus of 76.0 GPa or less, and a density of 2.42 g/cm.sup.3 or more.

Methods of forming polymeric polarizers from lyotropic liquid crystals and polymeric polarizers formed thereby
11370914 · 2022-06-28 · ·

A polymeric lyotropic liquid crystal solution comprises a birefringent aromatic polymer. A linear polarizer layer is obtained by shear-coating the polymeric lyotropic liquid crystal solution on a coatable substrate, and treating the resulting coating layer with a doping-passivation solution containing iodine and multi-valent cations. A linear polarizer includes a birefringent coating layer of 1.0 micrometers or less in thickness, and contains birefringent aromatic polymer, iodine anions, and multi-valent cations. An optical article includes an optical retarder layer of 1.0 micrometers or less in thickness and a linear polarizer layer of 1.0 micrometers or less in thickness, with an intermediate layer between the linear polarizer layer and the optical retarder layer. The optical retarder layer contains a first birefringent aromatic polymer generally aligned along a first alignment direction and the linear polarizer layer contains a second birefringent aromatic polymer generally aligned along a second alignment direction, with an angle between the first alignment direction and the second alignment direction in a range of 40° to 50°.

Touch panel and touch display panel

A touch panel and a touch display panel are provided. The touch panel comprises: a touch layer provided with a plurality of first microstructures on an upper surface of the touch layer; and a cover plate provided with a plurality of second microstructures on a lower surface of the cover plate, wherein the second microstructures are adapted to the first microstructures, the cover plate is provided on the upper surface of the touch layer, and the plurality of second microstructures are adsorbed and self-locking connected to the plurality of first microstructures.

ELECTRICALLY CONDUCTIVE FILM
20220197148 · 2022-06-23 ·

A method of forming a transparent, electrically-conductive film and an associated film. The method can be a transfer method. A region of a substrate is provided with a binder that includes metal nanostructures suspended in a photosensitive polymeric material. A donor substrate can be used. Photolithography is used to pattern the binder. The patterned binder is developed using a developing fluid that: (i) removes a portion of the photosensitive polymeric material according to a pattern of the binder, and (ii) includes a nanostructure etchant that etches the metal nanostructures.

FOLDABLE DISPLAY
20220199923 · 2022-06-23 ·

A foldable display, includes a display layer with flexibility including a first display region, a second display region, and a third display region located between the first display region and the second display region; a cover with flexibility configured to cover the display layer; a first support substrate with inflexibility configured to support the first display region; a second support substrate with inflexibility configured to support the second display region; a bending part capable of bending including the third display region; and a shock absorbing layer provided between the display layer and the first support substrate and between the display layer and the second support substrate.