Shenzhen China Star Optoelectronics Technology Co., Ltd.

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Tcl China Star Optoelectronics Technology Co., Ltd.

Yongchao Zhao

Yanjun Song

Xiang Li

Chungching Hsieh

Rentang Zhao

Chung-ching Hsieh

Chung Ching Hsieh

The present application provides an LED display panel, a manufacturing method thereof, and a display device. The LED display panel includes: a substrate, including a pad; a white oil layer; and an LED chip, which is soldered with the pad by a solder paste; wherein the white oil layer includes an opening, the opening penetrates the white oil layer and exposes the pad, an aperture diameter of the opening away from the pad is greater than or equal to an aperture diameter of the opening close to the pad, and the maximum distance between a projection of the sidewall of the opening on the substrate and the adjacent pad is greater than or equal to a thickness of the white oil layer.

Light-emitting diode display panel, manufacturing method thereof, and display device

A display panel and a display device are provided. The display panel includes an array substrate, an optical function layer, and an anti-reflection layer. The optical function layer and the anti-reflection layer are located on the array substrate, material of the anti-reflection layer includes a sulfur-containing material, and a refractive index of the anti-reflection layer is between refractive indexes of two film layers adjacent to the anti-reflection layer. Since the refractive index of the anti-reflection layer is between the refractive indexes of the two film layers adjacent to the anti-reflection layer, reflection of external light on the display panel is reduced, thereby improving a display effect of the display panel.

Display panel and display device

An alignment film coating machine and a coating method are provided. The alignment film coating machine includes an equipment for carrying a substrate, a spray head for spraying PI droplets, and an air knife disposed on the equipment and located on one side of the spray head. The air knife is used for moving along the equipment and blowing uniform impact air curtain to the PI droplets after the spray head sprays the PI droplets on the substrate. By adding the air knife into the alignment film coating machine, the diffusion ability of the PI droplets is improved due to the uniform impact air curtain blown by the air knife. The resistance in diffusion is overcome. The PI droplets enter the via hole. Mura, which is induced by a relatively thicker PI film around the via hole as a result of the accumulation of the PI droplets, is prevented.

Alignment film coating machine and a coating method

The present invention discloses a display panel and a manufacturing method thereof. A thin film transistor array substrate of a display panel is provided with a first alignment layer; a color filter substrate of display panel is provided with a second alignment layer; the first alignment layer is formed by irradiating the first alignment material with a first light having a first wavelength, the second alignment layer is formed by irradiating the second alignment material with a second light having a second wavelength. The present invention permits the display panel to have good reliability and high contrast as well.

Display panel and manufacturing method thereof

Disclosed is a temperature-controlled alignment device based on multi-model glass technology. The device includes a stage divided into at least two areas and heating modules corresponding to respective areas. Each of the heating modules includes a heat conductive sheet, a liquid pipe, and an electric heater. Different areas are heated by arranging a heating module for each of the areas, so that reaction rates of reactive monomers in panels of different areas have a same reaction rate so as to form a same pretilt angle.

Temperature-controlled alignment device based on multi-model glass technology

A polymer stabilization vertical alignment (PSVA) liquid crystal display panel is provided and has an array substrate. A driver circuit is disposed on a side of the array substrate, and at least two alignment modules close to an edge of the array substrate are disposed on the side of the array substrate facing the color filter substrate. Each alignment module has at least two alignment lines. An input terminal of each alignment line is connected to a metal contact pad, and an output terminal of the alignment line is connected to the driver circuit; the metal contact pads belonging to the same alignment module are in short connection. A set of the metal contact pads in short connection is connected to a probe bar through a probe pin.

Polymer stabilization vertical alignment (PSVA) liquid crystal display panel

The present invention discloses a liquid crystal panel. The liquid crystal panel, comprises: a first substrate, a second substrate opposite to the first substrate, and a liquid crystal layer is disposed between the first substrate and the second substrate. And the liquid crystal panel further comprises: a thin film transistor array and a color resist layer are disposed on the first substrate, and the liquid crystal layer is negative type liquid crystal molecules. As such, the present invention can improve the transmitting rate of the liquid crystal panel.

Liquid crystal panel and liquid crystal display device

A color-filter-on-array (COA) type liquid crystal panel and a manufacturing method thereof are disclosed. An alignment film in the COA type liquid crystal panel is formed by a photo-alignment technology of an ultraviolet induced multi-domain vertical alignment (UVA). Also, a problem of image sticking of an existing COA type liquid crystal display is improved by controlling the dielectric constant (&#x394;&#x3b5;) of the liquid crystal molecules of a liquid crystal layer in the COA type liquid crystal panel.

Color filter on array type liquid crystal panel and manufacturing method for the same

An alignment film material and a method of producing an alignment film are described. The alignment film material has polyimide and crosslinked polymer. The crosslinked polymer is formed from a first component through a crosslinking reaction. A crosslink density of the alignment film can be enhanced without additionally adding a catalyst, so as to increase a hardness of the alignment film.

Alignment film material and method for producing alignment film

A method for manufacturing a liquid crystal display panel is provided. The method includes the following steps of: drop-filling liquid crystal molecules on a color film substrate having a seal frame, wherein the liquid crystal molecules are doped with thermal reactive monomers; and heat-curing a frame, and simultaneously making the thermal reactive monomers in the liquid crystal molecules into a polymer on the surface of the alignment film. The reliability of the alignment film is improved by the present invention.

Method for manufacturing liquid crystal display panel

A manufacturing method of a liquid crystal panel is provided with steps of: providing an array substrate having a first electrode with a plurality of slots and a second electrode thereon, and a color filter substrate; applying a first photo alignment film to the array substrate, and performing a first irradiation treatment on the first photo alignment film to have a first pretilt angle; applying a second photo alignment film to the color filter substrate, and performing a second irradiation treatment on the second photo alignment film to have a second pretilt angle antiparallel to the first pretilt angle; sealing a liquid crystal molecule and a photopolymerizable monomer within a space between the first photo alignment film and the second photo alignment film to form a liquid crystal panel; and performing a third irradiation treatment on the liquid crystal panel to carry out a polymerization of the photopolymerizable monomer.

Manufacturing method of liquid crystal panel

The present invention provides a liquid crystal display panel of improving color washout, setting different alignment angles in the sub pixel areas of different colors (the included angle between the alignment direction of the liquid crystal molecules and the branch electrode of the pixel electrode). Then, the alignment angle of the red sub pixel area is the largest, and the alignment angle of the green sub pixel area is smaller, and the alignment angle of the blue sub pixel area is smallest. Thus, it is possible to respectively modulate the transmittance-voltage curves and the brightness-voltage curves of the lights of different colors to optimize the white dot chromaticity for satisfying the optical specification and compensate the losing transmittance of the blue light in the panel for improving the color washout problem.

Liquid crystal display panel of improving color washout

The present invention provides a liquid crystal display panel. The liquid crystal display panel includes a TFT substrate and a CF substrate that are respectively provided with first and second alignment films that allow for vertical light alignment, so that after irradiation of ultraviolet light, the first alignment film and the second alignment film have alignment directions that are substantially parallel but opposite to each other and the liquid crystal molecules are set at a tilt angle for being nearly vertically aligned. In a dark state where no electricity is applied, the liquid crystal molecules are arranged to be nearly perpendicular to surfaces of the TFT substrate and the CF substrate with no phase difference so that light leakage is extremely low and the dark state brightness is small thereby achieving a relatively high contrast; and after the application of a displaying electric field, the liquid crystal molecules are cause to rotate on a plane substantially parallel to the surfaces of the TFT substrate and the CF substrate so as to provide characteristics of a wide view angle and high transmittance offered by an IPS mode and an FFS mode.

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Shenzhen, China

Yongchao Zhao