G02F2202/023

Display device
11209685 · 2021-12-28 · ·

A display device includes: a panel including a display screen and a side face that extends along a periphery of the display screen; a backlight located on a side of the panel opposite to the display screen to radiate light on the panel; a case, for containing the backlight, including a bottom that faces the panel with the backlight is between and a side wall that stands at a periphery of the bottom and faces the side face of the panel; and a combining member provided between the side face of the panel and the side wall to combine the panel and the case.

LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNMENT FILM, AND LIQUID CRYSTAL DISPLAY ELEMENT
20210371664 · 2021-12-02 · ·

The present invention relates to a polymer composition which contains (A) a photosensitive side-chain polymer that exhibits liquid crystallinity in a predetermined temperature range and has a repeating unit comprising a vertically aligning group, and (B) an organic solvent. The present invention provides: a liquid crystal alignment film which has excellent tilt angle characteristics, while being provided with alignment controllability with high efficiency; a polymer composition which enables the achievement of this liquid crystal alignment film; a twisted nematic liquid crystal display element; and a vertical field switching mode liquid crystal display element.

OPTICAL ACTIVATION OF CHEMICAL ENTITIES IN ELECTROPHORETIC DISPERSIONS FOR DISPLAY DEVICES

Example electrophoretic dispersions for use in electrophoretic displays are provided. An example electrophoretic dispersion includes a first chemical entity and a second chemical entity. The first and second chemical entities are to be induced to reversibly interact to switch between a separated state and an optically active state in response to a change in an electromagnetic field passing through the electrophoretic dispersion to change an optical property of the electrophoretic dispersion. Electrophoretic display devices, methods for operating electrophoretic display devices, non-transitory machine-readable storage mediums, and methods for producing electrophoretic dispersions are also provided.

Adhesive film for display device, display device including the same, and method for manufacturing the same
11362300 · 2022-06-14 · ·

A display device includes a display panel, a cover member disposed on the display panel, and an adhesive layer disposed between the display panel and the cover member. The adhesive layer has a first surface facing the cover member and a second surface facing the display panel, and includes a first area and a second area disposed at positions different from each other in a first direction from the first surface toward the second surface. A modulus of the first area is different from a modulus of the second area.

REFRACTIVE INDEX MATCHED RESIN FOR ELECTROPHORETIC DISPLAYS AND OTHER APPLICATIONS

Embossing resins, methods of manufacturing such resins, and electrokinetic display system, which includes display cells containing such resins. The resins include a fluoropolymer in weight percentage 5%-60%, a difunctional diluent in weight percentage 0-30%, a monofunctional diluent in weight percentage 0-40%, a urethane diacrylate or functionalized nanoscale material, e.g., a functionalized urethane material, in weight percentage 5-50%, a photoinitiator in weight percentage 0.5-5%, and a surfactant in weight percentage less than 0.5%. The difunctional diluent may be Hexanediol Diacrylate, and the monofunctional diluent may be a monofunctional hydrocarbon. The resins are made by identifying a target index of refraction for a cured state thereof, and combining together, by weight percentage, the constituent components to produce the liquid state version of the embossing resin having a desired composite index of refraction.

Back light unit and liquid crystal display using the same

Provided is a back light unit comprising a plurality of LED light source formed on a printed circuit board and a resin layer which is laminated on the LED light source and forwardly induces diffusion of the emitted light wherein the resin layer is made of synthetic resin comprising an oligomer. According to the present invention, an essential light guide plate for a general back light unit configuration is removed and a resin layer mainly consisting of an oligomer is used to guide the light source, and thereby decreasing the number of the light source, minimizing luminance variation when the unit is lighted at a high temperature and kept it for a predetermined time period, and implementing excellent heat-resistant property and optical property.

LIQUID CRYSTAL DISPLAY APPARATUS

A liquid crystal display apparatus includes a liquid crystal panel; a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel; and a first optical sheet and a second optical sheet sequentially stacked on a light incidence surface of the liquid crystal panel, and the viewer-side polarizing plate includes a polarizer and a contrast ratio or viewing angle-enhancing layer; the liquid crystal panel has a horizontal direction corresponding to a long side thereof and a vertical direction corresponding to a short side thereof; and the first optical sheet has a plurality of first optical patterns on a light exit surface thereof, an angle of a longitudinal direction of the first optical patterns relative to the vertical direction of the liquid crystal panel being from −10° to +10°.

Image display device that can display high brightness and high contrast images and includes a cured resin layer
11740501 · 2023-08-29 · ·

A thin image display device is provided which is free from display defects caused by the deformation of an image display part and can display high brightness and high contrast images. The image display device includes an image display part, a light-transmitting protective part arranged on the image display part, and a cured resin layer interposed between the image display part and the protective part. The cured resin layer has a light transmittance in the visible region of 90% or more and a refractive index (nD) of 1.45 or more and 1.55 or less.

Substrate

A substrate, an optical device include the same, and a method of making the same are disclosed herein. In some embodiments, a substrate includes a base layer, a plurality of column spacers disposed on the base layer, and a ball spacer attached to or embedded in at least one of the plurality of column spacers. The spacers having excellent dimensional accuracy and adhesiveness on the substrate.

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
20230299247 · 2023-09-21 ·

A display device includes: a display layer on a substrate, the display layer including a light emitting element; a reflective structure on the display layer; a resin part on the display layer; a cover part on the resin part; and a driving circuit board, at least a portion of the driving circuit board being on a side of the display layer. The reflective structure includes a reflective surface facing the at least the portion of the driving circuit board.