G02B6/0053

Liquid crystal display module backlight structure, liquid crystal display, and display device, with each including a matt layer

The disclosure relates to the technical field of liquid crystal display, and discloses a liquid crystal display module backlight structure which includes a light blocking tape, a FPC strip, rubber-iron layer, a reflective sheet, a light enhancement prismatic lens, a light guide plate, and a matt film layer, a first end of the matt film layer overlaps the FPC light strip and a second end overlaps the light enhancement prismatic lens; the first end is bonded to the light blocking tape and the second end is positioned between the light enhancement prismatic lens and the light guide plate.

Stereoscopic image display device

A stereoscopic image display device includes a flat panel display unit, a lens array unit, and a light guide structure unit. The light guide structure unit includes a light guide microstructure. The light guide microstructure is disposed on a side of the lens array unit. A bottom angle of the light guide microstructure is defined as B, and a bottom length of the light guide microstructure is defined as P. The bottom angle B and the bottom length P of the light guide microstructure satisfies following conditions: (i) 15.5 degrees≤B≤83.5 degrees; and (ii) 10 micrometers≤P≤2,000 micrometers, such that an oblique viewing angle of the stereoscopic image display device falls within a range from 10 degrees to 60 degrees.

Backlight module and electronic device comprising the same
11573364 · 2023-02-07 · ·

A backlight module and an electronic device including the same are provided. The electronic device includes: a panel; and a backlight module opposite to the panel and including: a light guide plate; a first optical unit disposed on the light guide plate and having a first prism structure; a second optical unit disposed on the first optical unit and having a second prism structure; and a third optical unit disposed on the second optical unit and having a third prism structure, wherein the first prism structure faces the light guide plate, and the second prism structure and the third prism structure face the panel.

Illumination device

To provide a semiconductor light emitting device which is capable of accomplishing a broad color reproducibility for an entire image without losing brightness of the entire image. A light source provided on a backlight for a color image display device has a semiconductor light emitting device comprising a solid light emitting device to emit light in a blue or deep blue region or in an ultraviolet region and phosphors, in combination. The phosphors comprise a green emitting phosphor and a red emitting phosphor. The green emitting phosphor and the red emitting phosphor are ones, of which the rate of change of the emission peak intensity at 100° C. to the emission intensity at 25° C., when the wavelength of the excitation light is 400 nm or 455 nm, is at most 40%.

DISPLAY APPARATUS
20230030106 · 2023-02-02 ·

The application provides a display apparatus. The display apparatus includes: a touch panel, configured to receive a touch operation and comprising a touch film and a display panel configured to display an image; a backlight module configured to provide a backlight source to the touch panel and including a backplane, a reflective sheet, a light guide plate, an optical film and a light source located on one side of the backplane; a touch pad, configured to drive and control the touch film; and a plurality of flexible circuit boards, through which the touch film is electrically connected with the touch pad, and which are located on a same side of the touch film.

Suspended lighting fixture employing shaped light guide illumination devices

A suspended lighting fixture for direct/indirect lighting including a pair of curved sheets which are joined by a linear heat-dissipating structural element and cooperatively forming a trough-shaped structure configured to be suspended with a downward orientation using one or more suspension elements. The lighting fixture further includes a linear light source with one or more linear arrays of light emitting diodes (LEDs) optically coupled to light input edges of the curved sheets, a linear heat-dissipating structural element joining curved sheets, and an opaque elongated housing at least partially enclosing the structural element, light source, and the light input edges.

Display device and light-diffusing sheet stacked body

A display device includes a light-emitting module and a light-diffusing sheet stacked body. The light-emitting module includes at least one light guide plate including an upper surface and a lower surface, and light sources disposed at the lower surface side of the light guide plate. The light-diffusing sheet stacked body includes a first light-diffusing sheet disposed on the light guide plate, a second light-diffusing sheet disposed on the first light-diffusing sheet, and a third light-diffusing sheet disposed on the second light-diffusing sheet. The first light-diffusing sheet includes first protrusions at an upper surface side thereof. The second light-diffusing sheet includes second protrusions at an upper surface side thereof. The third light-diffusing sheet includes third protrusions at an upper surface side thereof. A shape of the third protrusion may be different from a shape of the first protrusions and/or a shape of the second protrusions.

Full-screen optical component and electronic device

A full-screen optical component, applied to an electronic device comprising a display screen, comprising a backlight module, an active light sensor including a sensor and a light emitter, and a dimmer. The display screen and the active light sensor are located on two opposite sides of the backlight module. The backlight module includes a first prism film and a second prism film stacked on the first prism film. The first prism film includes several first prisms. The second prism film includes several second prisms. The first prism includes a first in-light surface, and the second prism includes a second in-light surface. A display surface of the display screen, the first in-light surface, and the second in-light surface are disposed in parallel. The dimmer is configured to direct light emitted by the light emitter to the first in-light surface at an incident angle that is inclined relative to a vertical direction.

Indoor emotional lighting apparatus for implementing three-dimensional pattern in vehicle

Provided herein is an indoor emotional lighting apparatus for implementing three-dimensional (3D) pattern for a vehicle, the indoor emotional lighting apparatus including a film portion on which a plurality of fine lenses each having a 3D pattern are arranged, a light source configured to emit light in a plurality of directions, and a light source guide portion configured to guide an optical path of the light source to allow the light emitted from the light source to be directed toward the film portion.

SEE-THROUGH COMPUTER DISPLAY SYSTEMS
20230092879 · 2023-03-23 ·

Aspects of the present invention relate to methods and systems for the see-through computer display systems with integrated IR eye imaging technologies.