53results about How to "Prevent light leakage" patented technology

Disclosed is an organic light emitting diode display device. The disclosed organic light emitting diode display device includes an overcoat layer disposed on a substrate that is divided into an emissive area and a non-emissive area, and has multiple micro lenses in the emissive area and at least one depression in the non-emissive area. The organic light emitting diode display device further includes: a first electrode disposed on the overcoat layer, wherein the first electrode is disposed in the entire emissive area and in a part of the non-emissive area; a bank pattern disposed in the non-emissive area so as to be superposed on the depression; an organic light emitting layer disposed on the substrate; and a second electrode disposed on the organic light emitting layer. Accordingly, the organic light emitting diode display device may prevent light leakage.

A backlight assembly of a liquid crystal display (LCD) device is disclosed, in which each edge of the diffusion and prism sheets is extended to upper surfaces of the metal reflecting plate and the mold frame, so that it is possible to prevent light emitted from a lamp from leaking into a liquid crystal panel without passing through one of the diffusion and prism sheet.

A method for fabricating a liquid crystal display (LCD) device to improve picture quality by preventing defective rubbing, is disclosed. The method which includes preparing first and second substrates, forming a thin film transistor on the first substrate, forming a first orientation layer on the first substrate including the thin film transistor, performing rubbing and orientation direction alignment processes on the first orientation layer to provide a uniform alignment direction, and forming a liquid crystal layer between the first and second substrates.

A reflective optical sensor includes a light emitting element to irradiate a target object with a light beam, a light receiving element to receive the light beam reflected by the surface of the target object, a circuit board on which the light emitting element and light receiving element are mounted, a cover element supported on the circuit board to surround the light emitting element and light receiving element, and a light shielding wall provided in the cover element to be a partition between the light emitting element and light receiving element to prevent a part of the light beam from the light emitting element from leaking to the light receiving element. A layer in a certain thickness is formed on the surface of the circuit board along either or both sides of the light shielding wall.

A one drop fill (ODF) liquid crystal display panel has a CF substrate, a TFT substrate, and a liquid crystal layer positioned between the CF substrate and the TFT substrate. The TFT substrate further has a pixel array region positioned in the center part of the TFT substrate, a sealant region position in the periphery region of the TFT substrate, a light-shielding pattern positioned on the sealant region, and a sealant pattern positioned corresponding to the sealant region between the CF substrate and the TFT substrate for assembling the two substrates.

In a normally black mode liquid crystal display, the liquid crystal display and the method prevents the light leakage arising from existing the step for adjusting the thickness of the liquid crystal layer between the reflective electrode and the transparent electrode and that high contrast displaying can be possible. The interval adjustment layer is formed between the first substrate that the reflective electrode is formed in the reflective region and the transparent electrode is formed in the transmissive region, and the second substrate that is fixed at predetermined interval from the first substrate. This interval adjustment layer is adjuster of the thickness of the liquid crystal layer in the reflective region on the second substrate, and the thickness of the liquid crystal layer in the reflective region is preferable to be set approximately the thickness of the liquid crystal layer of the transmissive region.

To prevent light leakage and compensate for a step between a display region and a non-display region, a thin film transistor array substrate can include a base substrate having a display region and a non-display region, a plurality of pixel regions defined by gate lines and data lines crossing each other in the display region of the base substrate, a common line corresponding to between adjacent pixel regions, a thin film transistor and a color filter in each pixel region, a first dummy color filter between the adjacent pixel regions, a second dummy color filter in the non-display region on the base substrate, the second dummy color filter being provided at an upper surface thereof with at least one recess, and a protective film over the entire surface of the base substrate to cover the first and second dummy color filters and fill the recess.

The invention provides a light guide plate used for a light-emitting keyboard and the light-emitting keyboard. The light guide plate is provided with a light inlet part, a light outlet surface, a bottom surface and a lateral side, wherein the light outlet surface and the bottom surface are oppositely arranged, the light inlet part and the lateral side are located between the light outlet surface and the bottom surface, the bottom surface comprises a plurality of reflection points, light entering the light inlet part is guided outwards through positions, corresponding to the reflection points, of the light outlet surface after being reflected through the reflection points, and one edge, close to the lateral side, of the light guide plate is provided with a damaging structure for preventing the light from overflowing from the lateral side. Because the damaging structure is formed on the light guide plate to prevent light leakage, and the light can be guided outwards through the positions, corresponding to the reflection points, of the light outlet surface after being shot into the reflection points, light-emitting positions can be controlled, for example, a user can just let the center of a key emits light.

The invention discloses an LED packaging structure with adjustable color temperature, which includes a packaging substrate and an LED chip arranged on the packaging substrate, the LED chip includes a first LED chip and a second LED chip, and the LED chip of the first LED chip The upper end surface is covered with a first fluorescent layer, and a second fluorescent layer covering the packaging substrate and the second LED chip is also provided, wherein the first fluorescent layer and the second fluorescent layer have different color temperatures. The light emitted by the first LED chip and the second LED chip emits white light after only passing through the fluorescent layer once, which solves the problems of light polarization and light quality degradation; Both the sides of the bottom of the first LED chip and the second LED chip are wrapped by the second fluorescent layer, which prevents the blue light leakage of the first LED chip and the second LED chip from causing a decrease in light quality, obtains uniform light, and eliminates the need for only one LED The light spot effect when chip.

The invention provides a printed circuit board, a luminous element, a backlight module and a display device. Connecting points used for being fixedly connected with a connecting line are arranged on prearranged positions on the printed circuit board, and the connecting line is used for enabling the printed circuit board provided with no connectors to be electrically connected with a connector arranged outside the printed circuit board. Therefore, space of the printed circuit board is saved, the size of the printed circuit board is reduced, the yield of the luminous element is increased, and occasions of light leakage occurring on the backlight module are avoided.

A half mirror device includes a panel, and at least one light source disposed on a back side of the panel to emit light. The panel includes a light-transmitting base layer, a mirror layer formed on a front surface of the base layer to reflect light, the mirror layer having a plurality of light-transmitting holes at regular intervals through opposite surfaces of the mirror layer in a thickness direction, and a light-transmitting protective layer formed on a front surface of the mirror layer to protect the mirror layer, wherein the light source transmits light through the light-transmitting holes of the mirror layer.

The embodiment of the invention discloses a converter and a transmission system, which are used for effectively ensuring successful signal transmission between network equipment and terminal equipment. The converter is used for being connected with a first cable. The first cable is a photoelectric composite cable. The first cable comprises an optical fiber used for transmitting an optical signal with a passive optical network PON protocol format and a first power transmission line used for transmitting a first power supply current, wherein the first power transmission line is connected with the conversion unit, the conversion unit is further used for being connected with a data interface, and the data interface is used for transmitting an electric signal with a target protocol format.

The invention discloses a liquid crystal display panel and a display device. The liquid crystal display panel comprises a first polarizer, an array substrate, a liquid crystal layer, a phase adjustinglayer, a color film substrate, a steering layer and a second polarizer which are sequentially stacked, wherein the absorption axis of the first polarizer is parallel to the absorption axis of the second polarizer; the color film substrate is provided with pixel regions with various colors; the phase adjusting layer is configured to adjust the phase difference of light passing through the phase adjusting layer so as to provide light with different phase differences to pixel regions with different colors in the color film substrate, and the larger the wavelength of the color corresponding to the pixel area, the larger the phase difference of the light is; and the steering layer is configured to deflect the polarization direction of the light passing through the phase adjusting layer by 90 degrees. According to the liquid crystal display panel, light leakage of the liquid crystal display panel can be prevented, and the contrast ratio of the liquid crystal display panel is ensured.

The invention discloses a photoresist model optimization and construction method and a photoetching model construction method.The photoresist model optimization method comprises the steps that after iterative optimization of a photoresist threshold model is completed, the coefficient of imaging light intensity curvature in first model parameter data obtained after iterative optimization is reduced to obtain second model parameter data; and iteratively optimizing the second model parameter data again. Compared with a traditional photoresist threshold model which is established only through one-time iterative optimization, the corrected photoresist threshold model obtained through the method can accurately predict the light leakage phenomenon of special patterns in the shape like the Chinese character'hui 'on the wafer on the premise that the model precision is kept, and the situation that the model is excessively corrected is avoided. And meanwhile, only data of the rectangular-ambulatory-plane graph is needed during verification and optimization, so that the data acquisition difficulty is low. It is verified that the photoresist threshold model can more accurately predict the patterns which are represented by the rectangular-ambulatory-plane pattern and have many corners and high density.

The invention discloses a liquid crystal display screen, a backlight module and a manufacturing method thereof. The obtained backlight module comprises a frame body, a light source assembly which is located in the frame body and arranged at one side of the frame body, an optical module which is arranged in the frame body and opposite to the light source assembly in position so that light from thelight source assembly can enter the optical module, and a shading layer, wherein the first end of the shading layer is located on the optical module, and the second end opposite to the first end extends towards the light source assembly so that the light source assembly can be covered. The backlight module also comprises an edge covering film which at least covers the second end of the shading layer, the side face of the side, provided with the light source assembly, of the frame body and at least one part of the outer side of the bottom face connected with the side face, wherein the edge covering film is made of a non-light-transmitting material; the stability of the shading layer, the frame body and the light source assembly structure located between the shading layer and the frame bodycan be enhanced through the edge covering film; meanwhile, the edge covering film can also play a shading role, the stability and reliability of the backlight module can be comprehensively improved, and the occurrence probability of light leakage is reduced.

An auto-stereoscopic 3D display and a display method thereof are provided. The auto-stereoscopic 3D display includes a display module and a scanning barrier. The display module displays a 2D image. The scanning barrier is attached on the display module. The scanning barrier coordinates with the 2D image displayed by the display module to provide a switching of a plurality of alternate vertical slits and vertical barriers, so that a parallax is produced between a left eye and a right eye and accordingly a 3D image is sensed, wherein a constant opaque area exists between each of a pair of the slit and the barrier.

The invention relates to electronic equipment and a display screen assembly, and the electronic equipment comprises a display module which comprises a display surface and a first surface which are arranged oppositely; a photosensitive device which can receive light incident from the side where the display surface is located; a middle frame which forms an accommodating cavity, and the accommodatingcavity is used for at least accommodating the display module and the photosensitive device; the shading part is connected to the display module, at least part of the shading part is located between the display module and the photosensitive device, and at least part of the display module close to the photosensitive device side is shaded by the shading part. The display module and the photosensitive device are integrated in the accommodating cavity formed by the middle frame, the shading part connected with the display module is arranged, and light from the display module can be prevented fromentering the photosensitive device through the shading part, so that the influence of stray light on the photosensitive result of the photosensitive device is reduced. The invention provides the electronic equipment with better photosensitive accuracy.

The invention discloses a touch panel and a display device thereof. The touch panel comprises a mounting frame, a cover plate is arranged on the upper side of the mounting frame, a heat conducting plate is fixedly connected to the lower side in the mounting frame, the upper side of the heat conduction plate is fixedly connected with a heat dissipation plate, a light guide plate is arranged on theupper side of the heat dissipation plate, a diffusion sheet is arranged on the upper side of the light guide plate, a touch panel is arranged on the upper side of the diffusion sheet, flexible circuitboards are arranged at the positions, located at the side ends of the light guide plate, of the two sides of the heat dissipation plate, and light sources are fixedly connected to the side ends of the flexible circuit boards. The invention can increase the sealing performance, avoid light leakage, and facilitate installation and disassembly.

The utility model discloses a display module edge shading assembly capable of preventing light leakage, and particularly relates to the technical field of display module edge shading, the display module edge shading assembly comprises a supporting frame arranged on a shell, a display module and a backlight module are arranged in the middle of the supporting frame, and a supporting table is fixedly connected to the middle of the supporting frame; a positioning groove is formed in the outer surface of the bottom of the supporting frame. The packaging effect is improved through the shading glue, the light leakage prevention effect is achieved, meanwhile, the anti-collision effect of the periphery of the display module can be improved through the thickness of the shading glue, the protection effect is improved, the periphery of the display module is packaged through the second shading film, the situation that light leakage occurs on the periphery of the display module can be avoided, and the display effect is improved. Meanwhile, through cooperation of the shading glue, the shading top film and the shading bottom film, the strength and the thickness of wrapping the periphery of the display module are improved, and the situation that the shading effect is affected due to abrasion is avoided.

The waterproof lamp convenient to assemble comprises a lamp shell, a light source assembly and a cover plate assembly, a mounting cavity is formed in the lamp shell, and a first opening and a second opening are formed in the two ends of the mounting cavity respectively; mounting sliding grooves are formed in the two sides of the mounting cavity. The light source assembly comprises a lamp panel and a light source, the light source is mounted on the lamp panel, and the lamp panel is mounted in the mounting cavity through the first opening or the second opening; the cover plate assembly comprises a front cover plate, a first sealing ring, a rear cover plate and a second sealing ring, and the front cover plate covers the first opening; the rear cover plate covers the second opening; the first sealing ring is clamped between the front cover plate and the first opening; the second sealing ring is clamped between the rear cover plate and the second opening; the front cover plate is provided with a light transmitting opening, and a light shielding plate is arranged on the periphery of the light transmitting opening in a surrounding mode. And a light-transmitting plate covers the light-transmitting opening. Opening structures can be arranged at the front end and the rear end of the lamp shell for assembling the light source assembly, and sealing and water proofing are achieved at the assembling position through the first sealing ring and the second sealing ring.

A backlight module includes a light guide plate, a light emitting element and at least one optical conversion element. The light guide plate has a light inlet surface. The light emitting element is arranged opposite to the light inlet surface of the light guide plate. The light emitting unit comprises at least one first light emitting element and at least one second light emitting element. The first light emitting element has different emitting colors with the at least one second light emitting element. A light conversion element is disposed between the incident surface of the light guide plate and the light emitting element. The light conversion element comprises a light penetration region and ??a light conversion region. The first light emitting element of the light emitting element is corresponding to the light conversion region, and the second light emitting element is corresponding to the light penetration region.

The application discloses a light guide assembly and an electronic device. The light guide assembly is used for the electronic device, and comprises a first light guide section, a second light guide section and a third light guide section. The first light guide section, the second light guide section and the third light guide section are sequentially connected. The first light guide section has an incident light side, and the third light guide section has an outgoing light side. In the thickness direction of the light guide assembly, the third light guide section has a height difference with the first light guide section. A reflective film is arranged on the opposite sides of the second light guide section in the thickness direction of the second light guide section. Or the reflective film covers at least the connection between the second light guide section and the first light guide section and the connection between the second light guide section and the third light guide section.

The invention discloses a backlight module suitable for edge-removing side light leakage of an ultra-narrow frame. The backlight module comprises a shell, baffles are fixedly connected to the two sides of the upper end of the shell, expansion rubber is fixedly connected to the side ends of the two baffles, a liquid crystal display screen is arranged between the lower ends of the two baffles, and the two sides of the liquid crystal display screen are sleeved with sealing plates; a diffusion brightness enhancement module is arranged on the lower side of the liquid crystal display screen and composed of a diffusion film and a brightness enhancement film, a light guide plate is arranged on the lower side of the diffusion brightness enhancement module, light bars are arranged on the two sides of the light guide plate, a back plate is fixedly connected to the lower side of the shell, and a supporting plate is arranged at the upper end of the back plate and is of a U-shaped structure. The supporting plate is fixedly connected with reflector plates at the light bars and the light guide plate. According to the invention, through multiple measures, light at the side edges of the liquid crystal display screen can be refracted and sealed, and the situation that light leaks from the side edges is avoided.

The invention provides a composite reflecting plate. The composite reflecting plate sequentially comprises a reflecting layer, a reinforcing layer, a shading layer and a scratch-resistant layer. The shading layer of the composite reflecting plate can be arranged between the reflecting layer and the reinforcing layer, and can also be arranged between the reinforcing layer and the scratch-resistantlayer. And the reflecting layer is selected from one of a polyester reflecting film, a polypropylene reflecting film, a polycarbonate reflecting film or a silver-plated reflecting film. And the reinforcing layer is made of one of glass, a plastic film or a plastic sheet. The shading layer is made of metal, nonmetal or alloy of metal and nonmetal. And the scratch-resistant layer is composed of oneof polyurethane formate (PU) glue, polyethylene glycol terephthalate (PET) glue and polymethyl methacrylate (PMMA) glue.

The utility model discloses an anti-light-leakage negative display LCD frame, which comprises an upper glass sheet, a lower glass sheet, a VA display area and an AA display area, a circle of black ink is silk-screened on the surface of the lower glass sheet and close to the edge of the frame, the inner side edge of the black ink is flush with the outer side edge of the VA display area, the thickness of the black ink is between 4 microns and 8 microns, and the thickness of the AA display area is between 4 microns and 8 microns. A layer of black ink is arranged between the lower glass sheet and the lower polaroid in a silk-screen mode, the four inner corners of the black ink are all designed to be arc inner corners, the overall shape of the black ink is of a rectangular structure, and a certain gap is reserved between the outer side edge of the black ink and the outer side edge of the lower glass sheet. The layer formed by the black ink can cover the LCD frame glue part, only the VA display area is exposed, the situation that light leaks from the frame glue and light leakage occurs is avoided, and therefore the display effect of the negative display LCD screen is better and more uniform, and the watching experience is greatly improved.

The present application provides a display panel, the display panel has a function additional area, the display panel includes a base substrate, an array layer disposed on the base substrate, a light-emitting device layer disposed on the array layer, an encapsulation layer covering the light emitting device layer and a touch control layer disposed on the encapsulation layer; an opening area is provided around the function additional area at the edge position of the function additional area, and an opening area is arranged at the opening area There are openings extending through the array layer and extending to the surface of the base substrate, and the openings are filled with a light blocking layer. The light blocking layer can be used to fill the cracks on the base substrate and play a role of flattening, so as to prevent the cracks from causing uneven depth of the touch layer when forming the touch layer. At the same time, the light blocking layer can prevent light leakage at the opening. conditions, so as to avoid light leakage from adversely affecting the performance of the OLED device.

The utility model provides a light leakage prevention vehicle-mounted backlight source rubber frame. The light leakage prevention vehicle-mounted backlight source rubber frame comprises a first frame body, a second frame body is installed at the bottom of the first frame body, a sealing frame body is installed at the bottom of the first frame body, a sealing groove is formed in the top of the second frame body, and assembling plates are installed on the first frame body and the second frame body. And sealing rubber rings are mounted on the inner sides of the first frame and the second frame, a mounting groove is formed in the bottom of the second frame, and a fixing block is mounted in the mounting groove. The sealing frame is installed at the bottom of the first frame, the sealing groove is formed in the top of the second frame, and the sealing frame is matched with the sealing groove, so that the connection sealing degree between the first frame and the second frame is higher, meanwhile, the sealing rubber ring is installed at the joint of the inner sides of the first frame and the second frame in an attached mode, and the sealing effect is better. Therefore, the connection sealing degree of the first frame and the second frame can be increased, and the condition of light leakage of the backlight source is prevented.

The invention provides a polarizer, a display device and a preparation method of the polarizer. The polarizer comprises a polarizer body, an arc-shaped structure arranged on one side of the polarizer body; wherein the arc-shaped structure comprises an arc-shaped side surface, and the arc-shaped side surface is provided with a conduction groove. The display device includes: the polarizer; a display panel, wherein the polarizer is arranged on the display panel; and a coating adhesive layer coated on the display panel and connected with the arc-shaped structure of the polarizer. The arc-shaped structure is arranged on one side of the polarizer body, so that the coating adhesive layer can be smoothly diffused to the two sides along the arc-shaped structure, the conduction groove is formed in the arc-shaped side face of the arc-shaped structure, diffusion of the coating adhesive layer can be guided, the diffusivity of the coating adhesive layer is improved, the accumulation condition of the coating adhesive layer is effectively avoided, the thickness of the coating adhesive layer is more uniform, the coating adhesive layer and the polarizer are connected more tightly, and the situation of light leakage caused by bubbles is avoided.

The utility model relates to mobile phone assembly auxiliary equipment technical field discloses a backlight laminating jig for preventing mobile phone screen light leakage, including base, the surface of base is equipped with positioning assembly, the circular arc surface of positioning assembly is equipped with compression board, the surface of compression board is equipped with adjusting device, adjusting device includes connecting block, the surface fixed connection of connecting block and compression board, the circular arc surface sliding connection of connecting block and positioning assembly, the surface fixed connection of connecting block has support rod, the circular arc surface sliding connection of support rod has push board, the inside sliding of push board inserts and arranges the limiting rod, one end fixed connection of limiting rod has round plate, the circular arc surface of positioning assembly is equipped with a plurality of limiting holes. This backlight laminating jig for preventing mobile phone screen light leakage avoids the situation that the light leakage appears because the compression degree is difficult to control, leads to the light bar and backboard and other components to adhere to the position, thereby leads to the situation that the light leakage appears.