310results about How to "Improve light leakage" patented technology

The invention provides a display substrate and a manufacturing method therefor and a display device and relates to the technical field of display. The display device comprising the display substrate can be used for effectively improving the problem of light leakage and photochromic interference. The light out-coupling efficiency and the color purity of the display device are effectively improved. The display substrate comprises a transparent substrate, a pixel defining layer formed on the transparent substrate and a light emitting layer located in a subpixel region defined by the pixel defining layer, wherein the pixel defining layer comprises a reflective layer which is protruding toward the light out side of the display substrate for reflecting the light emitted from the light emitting layer to the reflective layer to the light out side of the display substrate; in a region of the pixel defining layer, part of the light out side of the display substrate from the reflective layer is transparent. The invention further provides manufacturing methods of the display substrate as well as the display device comprising the display substrate.

The invention disclseos a light screening structure, arranged on a substrate, where the substrate has display region and non-display region, and the light screening structure comprises black matrix layer and light screening layer, the black matrix layer is arranged on the substrate and defines multiple pixel regions in the display region and covers the non-display region adjacent to the edges of the display region; the light screening layer is arranged on the black matrix layer adjacent to the non-display region on the edges of the display region, the light screening layer has at least a flow channel; and the light screening structure can improve the phenomenon of light leakage on the edges of the display region of the LCD panel. In the LCD making course, the invention can avoid liquid crystal pollution. Besides, the invention advances a color filter substrate with the light screening structure, an active component array structure and the LCD panel thereof.

Provided is a liquid crystal display apparatus according to an exemplary embodiment of the present disclosure. The liquid crystal display apparatus includes: a liquid crystal display panel; a first chassis; a second chassis; a circuit unit; a flexible substrate; a shield unit; and a pem-nut. The shield unit is disposed to surround at least a part of the flexible substrate and circuit unit and be bonded to at least a part of the flexible substrate. The pem-nut is exposed through a hole penetrating the shield unit and the circuit unit, and a bolt-insertion part is disposed. A top side of the pem-nut is positioned to be higher than a top side of the circuit unit. In the liquid crystal display apparatus according to an exemplary embodiment of the present disclosure, the reliability of the liquid crystal display apparatus is improved.

A color filter of a liquid crystal display includes a substrate, a first black matrix resin film, a second black matrix resin film and a light shield layer. The substrate has a border region surrounding an array region thereof. The first and second black matrix resin films are disposed in the border region and the array area respectively. Color photoresist patterns are formed within the array region. Every two adjacent color photoresist patterns partially overlap each other to completely cover the second black matrix resin film. The light shield layer is located at the first black matrix resin film to substantially cover the first black matrix resin film.

The present invention relates to the field of display technology, in particular to a liquid crystal display panel and a display device, which are used to solve the problem in the prior art that the pixel structure corresponding to the improved FFS display mode generates light leakage in a dark state. By arranging a shielding electrode between the opposite substrate and the array substrate, and the orthographic projection of the shielding electrode on the array substrate at least covers the data line of the array substrate, and the voltage signal of the shielding electrode is the same as the voltage signal of the common electrode, so The shielding electrode can offset or shield the electric field generated by part of the pixel electrodes (and the common electrode) and the data lines, and shield the data lines, thereby effectively improving the light leakage problem.

An electronic device may have a liquid crystal display with backlight structures. The backlight structures may produce backlight that passes through display layers in the display. The display layers may include color filter elements, a liquid crystal layer, and a thin-film transistor layer. The color filter elements may be interposed between the thin-film transistor layer and the backlight structures or the thin-film transistor layer may be interposed between the color filter elements and the backlight structures. The backlight structures may be formed from optical fiber, a two-dimensional array of light-emitting diodes, a light guide plate that includes a rectangular recess for receiving optical films, or light guide plate structures that include internal light scattering structures. A light guide plate may be provided with alignment features that mate with alignment features on optical films.

The invention discloses a backlight module and a liquid crystal display. A frame, a circuit board and a back board of the backlight module are fixed through a first fixing member, meanwhile, a light guide board, the circuit board and the back board are fixed through a second fixing member, a light-emitting diode is arranged between the light-incident surface of the light guide board and the frame so that the circuit board of a light source module is restrained in the horizontal direction and the vertical direction, thereby solving the problems of easy bounce and deflection of the light-emitting diode and improving the phenomenon of nonuniform projection or light leakage of the light-emitting diode. Furthermore, the circuit board of the light source module is fixed and located without using an adhesive tape, thereby saving material cost, having compact structure and being conveniently assembled.

The invention relates to a display device. The display device includes: a substrate; a thin film transistor unit positioned on the substrate and including a gate, an insulation layer, a semiconductor layer, a source and a drain; a shading unit positioned between the substrate and the thin film transistor unit and including a shading layer and a first buffer layer, wherein the first buffer layer is arranged between the shading layer and the thin film transistor unit; wherein the penetration rate of light through the shading layer is 0 to 15%, and the wavelength range of the light is between 200 nm and 510 nm.

The invention provides a backlight source and a display device. The backlight source comprises a light guide plate and a light source module, wherein the light source module is arranged at the light incident side of the light guide plate and comprises a point light source and a dimming assembly, a light emitting surface of the point light source is arranged in a direction of backing to the light guide plate, the light emitting surface of the point light source is arranged in a direction of facing the dimming assembly, and in addition, the dimming assembly can reflect light rays emitted by the point light source, so that the reflected light rays can be emitted into the light incident side of the light guide plate after being gathered. In the backlight source provided by the invention, the light emitted out by the point light source can be transmitted to the light incident side of the light guide plate after being reflected and gathered through the surface of a reflecting layer, and the change of the incident angle of the light rays is realized, so the problem of light leakage of the display device caused by the light emitting angle problem of the light source module can be solved, and the light efficiency of products is improved.

The embodiment of the invention provides a local backlight dimming method of a liquid crystal displayer and the liquid crystal displayer and relates to the technical field of display. The halation problem generated by local backlight adjusting and dark edge and light leakage problems can be improved. The dimming method includes the steps that on the basis of input image data, optical information of display partitions in display partition sets of a display panel is obtained; the display partition sets correspond to backlight partitions one to one; according to positions and the optical information of the display partitions, the range of a first area and the range of a second area are set in the display partition set, and the areas where bright blocks are judged, wherein the first area is the area which can be irradiated and covered by outgoing light of the display partition in the middle of the display partition sets and cannot be influenced by outgoing light of other display partition sets, and the second area is the area, except the first area, in the display partition sets; according to different areas where the bright blocks are located, backlight partitions, corresponding to the bright blocks, in a backlight source serve as reference, and the spatial filter coefficient of the backlight partitions are controlled to be different from that of other backlight partitions.

A backlight structure includes a light guide plate, at least one light source module, and a reflective cover. The light guide plate has a light incident side and a light-exiting surface, wherein the light-exiting surface is formed at an edge of the light incident side. The light source module includes a substrate and at least one light emitting element, wherein the light emitting element disposed on the substrate emits light to the light incident side. The reflective cover has a first reflecting portion and a second reflecting portion, wherein the second reflecting portion extends from the first reflecting portion disposed between a surface of the substrate and the light incident side of the light guide plate and covers a part of the light-exiting surface, so that the reflective cover reflects light emitted from the light emitting element to the light guide plate.

The invention provides a backlight module and a liquid crystal display device. The backlight module comprises a light guide plate, a light bar and an optical membrane, wherein the light guide plate comprises a light-in surface and a light-out surface connected with the light-in surface; the light bar is arranged on one side of the light-in surface; multiple LED light sources are spaced on the side of the light bar close to the light-in surface; the optical membrane is arranged on the light-out surface; multiple notches are arranged on the side of the optical membrane close to the light bar; and the multiple notches are in one-to-one correspondence with the multiple LED light sources. In the invention, by use of the optical membrane subjected to shape cutting according to the arrangement of the LED light sources, the problem of non-uniform brightness distribution on the light-in side of the backlight module is solved, the quality of the backlight module is improved, and the problem of light leak of the backlight module due to the narrow frame is solved.

The invention discloses a display screen image adjusting method. The display screen image adjusting method comprises the following steps: obtaining a to-be-displayed image on a display terminal and analyzing the image, to determine display information of the to-be-displayed image; according to the display information of the to-be-displayed image, determining display data, and processing the display data according to a preset rule, to obtain display control parameters; inputting the display control parameters to corresponding control functions, to obtain corresponding control curves; according to the corresponding control curves, adjusting the to-be-displayed image and displaying the image on the display terminal. The invention also discloses a display terminal and a readable storage medium. The scheme improves a light leakage problem of a display screen on the premise of not increasing any hardware cost, and the scheme maintains image quality standard of the display screen.

The invention provides a side incident LED (Light Emitting Diode) backlight module structure which comprises an LED light-bar light source, a middle frame bracket, an optical sheet, a light guide plate, a reflective sheet, heat radiating fins, a back plate, a mirror reflection bar and a light absorption buffer bar, wherein the mirror reflection bar and the light absorption buffer bar are adhered on the middle frame bracket, the mirror reflection bar corresponds to a gap between the surface of the LED light-bar light source and the incident surface of the light guide plate, and the light absorption buffer bar is located between the optical sheet and the middle frame bracket. When the scheme is adopted, light leaked out of the gap between the surface of an LED lamp and the incident surface of the light guide plate can be reflected back to the light guide plate through the mirror reflection bar, so that light loss is effectively reduced; the light absorption buffer bar absorbs remaining light beams, and prevents the remaining light beams from leaking from the gap between the optical sheet and the middle frame bracket, so that the light leakage phenomenon is improved; and meanwhile, the problems of the light loss and light leakage because an LED light emitting surface is equal to or larger than the incident surface of the light guide plate are solved, and the luminance, the energy efficiency and the luminance uniformity of the backlight module are improved.

The invention discloses a polaroid splicing method. The method comprises the following steps of: providing a substrate; adhering a first polaroid to the substrate; adhering a second polaroid to the substrate to ensure that the side part of the second polaroid is correspondingly superposed with the side part of the first polaroid; correspondingly cutting the superposed part between the first polaroid and the second polaroid; removing cut parts which are separated from the first polaroid and the second polaroid; and performing planarization treatment on the side parts of the first polaroid and the second polaroid. By the method, distances among spliced polaroids can be effectively reduced, and the problem of light leakage of liquid crystal displays at the splicing positions of the polaroids is solved.

To provide a polarizing plate provided with optical compensation layers capable of contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same. The polarizing plate provided with optical compensation layers of the present invention includes a polarizer, a first optical compensation layer, a second optical compensation layer, and a third optical compensation layer in the stated order. The first optical compensation layer, the second optical compensation layer, and the third optical compensation layer each have predetermined absolute value of photoelastic coefficient, refractive index profile, and in-plane retardation and/or thickness direction retardation. An absorption axis of the polarizer and a slow axis of the first optical compensation layer form an angle of 10° to 30°. The absorption axis of the polarizer and a slow axis of the second optical compensation layer form an angle of 70° to 95°. The absorption axis of the polarizer and a slow axis of the third optical compensation layer form an angle of 70°to 95°.

Disclosed are an optical film set and a backlight module employing same. The optical film set comprises a first optical film with at least one first protrusion portion, a second optical film arranged at one side of the optical film and having a second protrusion portion correspondingly arranged on the upper or lower surfaces of the first protrusion portion, a light shielding portion which extends out from the second protrusion portion and is overturned to wrap up the side of the first protrusion portion of the first optical film. The backlight module comprises a frame with at least one groove, a plurality of optical films installed on the frame, each of which has a protrusion corresponding to the groove of the frame, and a light shielding portion integrally extending out from the protrusion portion of any one optical film to be overturned and wrap up sides of the protrusion portion of other optical films.

A liquid crystal display showing a high contrast and reduced in color shift depending on the viewing angle is provided.

The liquid crystal display device comprises a liquid crystal cell having a retardation value Re1(400) at 400 nm and a retardation value Re1(550) at 500 nm in the black state; and at least one layer of optically anisotropic layer formed of a composition comprising at least one species of liquid crystalline compound, having a retardations value Re2(400) at 400 nm and a retardation value Re2(550) at 550 nm,

• • wherein Re2(400) and Re2(550) of said optically anisotropic layer, and retardations values Re1(400) and Re1(550) satisfy the relational expression (1) below:

0.9≦α2/α1≦1.1   Relational Expression (1)

• • where, α1=Re1(400)/Re1(550) and α2=Re2(400)/Re2(550).

The invention discloses a polydomain vertical alignment mode liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel includes a colorized film basal plate, an array basal plate and liquid crystal molecules. An alignment bulge is formed on the surface of the colorized film basal plate; an alignment bulge or an alignment concave part is formed on the surface of the array basal plate; the liquid crystal molecules are filled between the colorized film basal plate and the array basal plate, wherein the liquid crystal molecules are added with a polymer with the characteristics of light-curing and heat-curing, and the liquid crystal molecules arranged near the alignment bulge are fixed by the polymer with the characteristics of light-curing and heat-curing, and approximately vertical to the basal plates. The polydomain vertical alignment mode liquid crystal display panel and the manufacturing method thereof efficiently solve the problem of light leakage in a dark state, and improve the contrast and the response speed of the liquid crystal display panel.

The invention discloses a curved display panel and a display device. The curved display panel comprises a first base plate, a second base plate opposite to the first base plate, a plurality of spacers formed on the first base plate, and a plurality of spacer bases which are formed on the second base plate and correspond to the spacers one by one, wherein slopes are formed at one ends, back to the first base plate, of the spacers, and slopes, opposite to the slopes of the spacers, are formed at one ends, back to the second base plate, of the spacer bases. Therefore, the butted ends of the spacers and the spacer bases are provided with the slopes with opposite inclination directions, the spacers and the spacer bases are butted through the slopes, stress generated by curving of the display panel is offset by the slopes, namely that the generated stress can be well offset by the display panel in a curved state by the spacers and the spacer bases, the uniformity of the interval of the first base plate and the second base plate can be further kept, and thus light leak of the curved display panel can be effectively relieved.

The invention provides an array substrate and a touch display panel comprising the array substrate. The array substrate comprises a substrate, multiple switch elements located above the substrate, a first insulation layer located above the switch elements and provided with an upper surface having at least one recess, a touch-control electrode layer located above the switch elements and provided with multiple touch-control electrodes, and a touch-control wiring layer located above the first insulation layer and provided with multiple touch-control wiring. Each touch-control wiring is electrically connected with each touch-control electrode correspondingly and used for connecting a corresponding touch-control electrode to a driving circuit. At least one touch-control wiring comprises at least one protrusion arranged in a corresponding recess. The array substrate and the touch display panel comprising the array substrate help improve display effect.

A method for improving the offset of the assembly of a LCD panel includes the following steps: forming a first aligning mark on the first base plate, providing a lampshade with a second aligning mark formed, designing the lampshade in an exposing device and sending the first base plate in it, aligning the two aligning marks on the lampshade and storing the aligning data, moving the first base plate out of the exposing device then moving the second in it, locating the second base plate by the data stored, manufacturing a first lampshade in terms of the lampshade and forming a third aligning mark corresponding to the second mark on the second base plate.