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1799results about How to "Avoid light leakage" patented technology

Illumination device, display device, and light guide plate

An illumination device (L) includes a plurality of light source units (20) each having a light guide plate (1) and a plurality of light sources (21). The light guide plate (1) has an illumination region (4) through which incident beams of light from the light sources (21) are emitted outward and a light guide region (3) through which the incident beams of light from the light sources (21) are guided toward the illumination region (4), with the light guide region (3) and the illumination region (4) laid side-by-side. The illumination region (4) is divided into a plurality of light-emitting sections (9) by slit sections (8), provided in such a way as to extend along directions of optical axes of the light sources (21), which restrict transmission of light. At least one of the light sources (21) is provided to each of the light-emitting sections (9) in such a way as to be placed side-by-side along the light guide region (3). The light source units (20) are provided in such a way as to be placed side-by-side along at least along a first direction along which the light-emitting sections (9) are arranged in the illumination region (4). There is also provided a slit section (8) in at least part of a space between light-emitting sections (9) between light source units (20) adjacent to each other along the first direction. This makes it possible to provide an illumination device (L) capable of retaining its strength as a combination of light guide blocks while reducing leakage of light into an adjacent area and capable of emitting uniform light.
Owner:SHARP KK

Colored film substrate and liquid-crystal display panel

The invention discloses a colored film substrate and a liquid-crystal display panel. The liquid-crystal display panel comprises the colored film substrate, an array substrate and a liquid crystal layer, wherein the array substrate is arranged oppositely to the colored film substrate, the liquid-crystal layer is arranged between the colored film substrate and the array substrate, the liquid-crystal display panel is divided into a display area and a periphery area surrounding the display area. A black matrix is arranged in the periphery area of the inner side of the colored film substrate and is provided with at least one opening arranged on at least one side of the periphery area, and the black matrix on the side of the periphery area is divided into a portion close to the display area and a portion distant from the display area by the openings; a first electrode and a second electrode are arranged on the inner side of the liquid-crystal display panel and correspond to the openings. By the aid of the openings, affection on display effect of the liquid-crystal display panel from external static electricity can be avoided; by arranging the first electrode and the second electrode corresponding to the openings, light leak of the openings can be prevented, and display effect of the liquid-crystal display panel is improved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1

Fingerprint identification display panel and display device

The invention discloses a fingerprint identification display panel and a display device. In a liquid crystal layer arranged at a position corresponding to a first open area, positioned at a place corresponding to a photosensitive induction unit, in a light shielding layer, an initial direction of long axes of liquid crystal molecules is set in such a way that the initial direction and a direction of a light transmission axis of an upper polaroid form an included angle of 45 degrees, and the liquid crystal layer arranged at the position corresponding to the first open area is controlled to form an equivalent quarter wave plate. Linearly polarized light which comes in via the upper polaroid is enabled to be synthesized into circularly polarized light after going through the equivalent quarter wave plate; a rotation state of the circularly polarized light is changed after being reflected via a reflection film layer positioned below the photosensitive induction unit, linearly polarized light which is formed when the circularly polarized light again runs through the equivalent quarter wave plate is perpendicular to the direction of the light transmission axis of the upper polaroid, and therefore the linearly polarized light cannot be emitted out from the upper polaroid and anti-light leakage effects are realized.
Owner:BOE TECH GRP CO LTD

Array substrate, method for manufacturing same and display device comprising same

ActiveCN102681276AStructure planarizationPrevent irregular arrangementSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceActive layer
The invention relates to an array substrate, a method for manufacturing the array substrate and a display device comprising the array substrate, belonging to the technical field of displaying and aiming to solve the problem that the contrast of the existing liquid crystal panel is too low. The array substrate comprises a grid line and a data line for defining a pixel region; the pixel region comprises a thin film transistor region and a pixel electrode pattern region; a grid electrode, a grid insulating layer, an active layer, a source electrode, a drain electrode and a passivation layer are formed in the thin film transistor region; a grid insulating layer, a pixel electrode, a passivation layer and a common electrode are formed in the pixel electrode pattern region; a multidimensional electric field is formed by the common electrode and the pixel electrode; and a colored resin layer is formed between each grid insulating layer and each pixel electrode. According to the technical scheme provided by the invention, because a colored resin layer is formed above the grid insulating layer of a thin film transistor, the structure in the pixel region can be flattened, the irregular arrangement of the liquid crystal in the reflection region can be avoided, the light leakage can be prevented, and the contrast can be improved.
Owner:BOE TECH GRP CO LTD

Organic light emitting display panel and preparation method and driving method thereof and display device

The device discloses an organic light emitting display panel and a preparation method and a driving method thereof and a display device. An organic light emitting display device and an electro-chromicdevice are arranged into a horizontal structure, and the organic light emitting display device and the electro-chromic device are controlled to work through different driving control circuits, i.e. different voltage is inputted to the electro-chromic device to adjust different transmittance of the electro-chromic device by a second driving control circuit, the display effect of the display panelcan be enhanced when the electro-chromic device is in the shading state, and transparent display of different transmittance of the display panel can be realized when the electro-chromic device is in the light transmission state; and the voltage is inputted to the electro-chromic device through the second driving control circuit and the electro-chromic device is enabled to be in the shading state when the display panel is in the non-display state so that the shielding function of the display panel can be realized and the phenomenon of light leakage of the display panel in the non-display statecan be prevented.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Method for manufacturing WOLED (White Organic Light Emitting Diode), WOLED and display equipment

The invention discloses a method for manufacturing a WOLED (White Organic Light Emitting Diode), the WOLED and display equipment. The method comprises the following steps: forming an array substrate comprising an anode array on a substrate based on a composition process and forming a color filter substrate based on the composition process, including depositing a transparent organic thin film and a reflective metal thin film on the array substrate in sequence; patterning the reflective metal thin film to remove a metal thin film above an anode electrode; etching the transparent organic thin film by taking the patterned metal thin film as a mask to expose the anode electrode so as to form a pixel definition pattern; evaporating an organic light emitting unit and a cathode on the array substrate on which the pixel definition pattern is formed in sequence; and attaching the array substrate comprising the organic light emitting unit and the cathode with the color filter substrate to form the WOLED. According to the method, the light leakage phenomenon of the WOLED existing in the prior art can be avoided better, and the image display quality of the display equipment is improved.
Owner:GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
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