G02F1/133357

Light shielding element substrate and display device

A light shielding element substrate includes a substrate, a transparent island structure and a first light shielding layer. The transparent island structure is located on the substrate. The first light shielding layer is located on the transparent island structure. The first light shielding layer is overlapping with a part of the top surface of the transparent island structure. The first light shielding layer has a first through hole overlapping the top surface of the transparent island structure.

LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME
20230136083 · 2023-05-04 ·

The present application discloses a liquid crystal display panel and a method of manufacturing the same. The liquid crystal display panel includes a pixel area, and further includes: a glass substrate serving as a light guide plate; a reflective layer disposed on a side of the light guide plate; a grating structure disposed on a side of the light guide plate away from the reflective layer, and corresponding to the pixel area; a planarization layer disposed on a side of the grating structure away from the light guide plate; and a thin-film transistor layer disposed on a side of the planarization layer away from the light guide plate.

LIQUID CRYSTAL HANDWRITING BOARD, HANDWRITING DEVICE, AND METHOD FOR CONTROLLING HANDWRITING DEVICE

A liquid crystal handwriting board, comprising: a liquid crystal panel (001) and a driving assembly (002). The liquid crystal panel (001) comprises: a first substrate (100) and a second substrate (200) which are arranged opposite to each other, and a liquid crystal layer (300) located between the first substrate (100) and the second substrate (200). As pixel electrodes (101) in the first substrate (100) of the liquid crystal panel (001) are a plurality of block electrodes, when the liquid crystal handwriting board is in an erasing mode, the driving assembly (002) electrically connected to the liquid crystal panel (001) can apply, on the basis of position information of an area to be erased, a pixel voltage to a block pixel electrode (101) in said area, so that a voltage difference is formed between the pixel electrode (101) in said area and a common electrode (201), and thus liquid crystal molecules located in said area in the liquid crystal layer (300) is rearranged under the action of the voltage difference, achieving erasion of a local area of the liquid crystal handwriting board. Also provided are a handwriting apparatus, and a method for controlling the handwriting apparatus.

LIQUID CRYSTAL DISPLAY PANELS AND DISPLAY APPARATUSES

A liquid crystal display panel (100) and a display apparatus (200). The liquid crystal display panel (100) includes a color filter substrate (1), an array substrate (2), and a sealant (3). An amorphous silicon layer (4) and a first interlayer dielectric (5) are provided between a shading layer (12) and a first substrate (11), a first through groove (12a) is formed in the shading layer (12) and the amorphous silicon layer (4), and a part of the sealant (3) is filled in the first through groove (12a) and is in direct contact with the first interlayer dielectric (5); and/or a planarization layer (22) is wrapped with a second interlayer dielectric (6), such that the planarization layer (22) is respectively separated from the sealant (3) and a second substrate (21), and the second interlayer dielectric (6) is in direct contact with the sealant (3). The phenomenon of film separation in a liquid crystal display panel is effectively alleviated, and the reliability of the liquid crystal display panel is improved.

LIQUID CRYSTAL DISPLAY DEVICE
20220382093 · 2022-12-01 · ·

A liquid crystal display device includes a substrate, and a pixel electrode disposed on the substrate, the pixel electrode including a first stem portion that extends in a first direction, a second stem portion that extends in a second direction crossing the first direction and intersecting with the first stem portion, a plurality of branch portions, the branch portions extending to the first direction and the second direction from the first stem portion or the second stem portion, a first connection portion that connects distal ends of some of the branch electrodes to each other, extends in the first direction and intersects with the second stem portion, and a first edge electrode that is connected to one distal end of the second stem portion and extends in the first direction.

ARRAY SUBSTRATE, MANUFACTURING METHOD FOR ARRAY SUBSTRATE AND DISPLAY DEVICE
20230194938 · 2023-06-22 · ·

Provided is an array substrate, a manufacturing method for an array substrate, and a display panel. The array substrate includes a fist substrate base, common electrode lines, a color filter layer, and a planarization layer; the color filter layer includes first color filters and a second color filters, forming color filter channels therebetween on the common electrode lines, so as to avoid overlapping between the first color filters and the second color filters. The width of the common electrode lines is relatively small, ensuring a high aperture rate of the array substrate. Additionally, the array substrate further includes a planarization layer filled in the color filter channels, this minimizes the color filter channels to ensure flatness between the first color filters and the second color filters, so that etching residues in the color filter channels can be avoided when forming the pixel electrode layer.

Thin film transistor substrate and display apparatus using the same
09842864 · 2017-12-12 · ·

A thin film transistor (TFT) substrate is disclosed. The TFT substrate includes a substrate, a blocking layer, a source electrode, and a drain electrode on a same layer over the substrate, an active layer overlapping the blocking layer, the source electrode, and the drain electrode, a gate insulation layer over the active layer, a first gate electrode over the gate insulation layer, an interlayer dielectric over the first gate electrode, a first connection electrode over the interlayer dielectric and connected to the active layer and the source electrode through a first contact hole, a second connection electrode over the interlayer dielectric and connected to the active layer and the drain electrode through a second contact hole, a planarization layer over the first connection electrode and the second connection electrode, and a pixel electrode over the planarization layer and connected to the second connection electrode through a third contact hole.

Display With Shallow Contact Holes And Reduced Metal Residue At Planarization Layer Steps

Thin-film transistor circuitry for a display may include conductive layers such as transparent conductive layers and metal layers and may include dielectric layers. The dielectric layers may include buffer layers, interlayer dielectric, gate insulator, and organic planarization layers. The organic planarization layers may be patterned photolithographically to form vias, trenches, and other structures. Trenches may be formed by removing the planarization layer in a strip. When planarization material is removed for forming a trench or other structure, a step is formed in the planarization material. Metal lines such as data lines and other signal lines may cross steps in the planarization material. To prevent shorts between lines, a step may have protrusions that help eliminate metal etch residue. Vias may be reduced in depth by forming metal bumps and dielectric bumps under the vias and by forming other via structures.

ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL and LIQUID CRYSTAL DISPLAY DEVICE

The present application discloses an array substrate, a liquid crystal display panel and a liquid crystal display device; a metal layer is designed to be added between the pixel electrode and the common electrode. The metal layer can form a first storage capacitor with the pixel electrode and formed a second storage capacitor with the common electrode, such as the dual storage capacitors to enlarge the storage capacitor to improve the flicker caused by TFT leakage, ensure the display effect, and the two storage capacitor are overlapped set, the aperture ratio of the pixel is not reduced.

DISPLAY DEVICE

According to one embodiment, a display device includes a first substrate including a first signal line and a second signal line adjacent to each other along a first direction, an organic insulating film located on the first signal line and the second signal line, and a first spacer located on the organic insulating film and a second substrate opposing the first substrate and including a second spacer opposing the first spacer. The organic insulating film has a through-hole between the first signal line and the second signal line in plan view. The first spacer is provided to overlap the through-hole in plan view and filling the through-hole.