69results about How to "Improve Optical Taste" patented technology

The invention discloses a blue light LED direct type backlight module and a liquid crystal display screen. The blue light LED direct type backlight module comprises an LED light source, a reflector plate and a quantum dot film, wherein the LED light source comprises blue light LED lamp beads arranged on the reflector plate, the quantum dot film is arranged above the blue light LED lamp beads, and yellow lattice points are arranged on the edge of the reflector plate and used for scattering the blue light shining on the yellow lattice points by the blue light LED lamp beads. By the adoption of the technical scheme, the phenomenon that due to short light mixing distance, a blue bright frame appears on the edge of the liquid crystal display screen which adopts the blue light LED direct type backlight module is avoided.

The invention discloses a diaphragm positioning structure and a backlight module thereof. The positioning structure is used for positioning a diaphragm, and at least one positioning hole is formed in the diaphragm. The diaphragm positioning structure further comprises a positioning framework provided with a first slope facing the diaphragm and a slide block. The slide block is located between the positioning framework and the diaphragm and is provided with a bottom face which contacts with the diaphragm, and a second slope which correspondingly contacts with the first slope. The obliquity of the second slope is gradually raised towards the direction of the outer edge of the diaphragm. A positioning protrusion corresponding to the positioning hole is arranged on the outer edge of the slide block, and the positioning protrusion is arranged in the positioning hole in a penetrating mode. By means of the mutual extrusion between the slope of the positioning frame and the slope of the slide block in the diaphragm positioning structure, the slide block moves towards the outer side of the diaphragm, and the positioning protrusion is used for hanging the positioning hole to exert an outward tensile stress on the diaphragm to tension the diaphragm,. The invention further provides another connecting structure of the slide block and the positioning frame. Through utilization of the slide block to exert the tensile stress on the diaphragm, the harmomegathus quantity of the diaphragm due to temperature change can be adjusted to solve the problem of warping of the diaphragm.

The invention provides a liquid crystal medium mixture and liquid crystal display using the same. The liquid crystal medium mixture comprises the following components: at least one anisotropic liquid crystal material, and two or more polymerizable monomers which can be polymerized under UV (ultraviolet) irradiation, wherein the liquid crystal material comprises an alkenyl compound which is stable to a polymerization reaction during polymerization of the polymerizable monomers; and the polymerizable monomers account for 0.1-1% of the total amount of the liquid crystal medium mixture in part by weight. The liquid crystal medium mixture can be polymerized into polymer bulge with relatively small size and good uniformity by adopting the two or more polymerizable monomers which can be polymerized under the UV irradiation according to a proper ratio, so that poor liquid crystal alignment, and a light spot phenomenon of a liquid crystal panel in the dark state are avoided, thus increasing the response speed of the liquid crystal panel and achieving high contrast and stable massive productivity.

A down-backlight module and an optical film fixed structure comprises at least one of the optical films, two non-neighboring edges of the optical film group are provided with at least one through hole, each through hole is symmetrically or asymmetrically arranged with the through hole of one non-neighboring edge, a plurality of flexible bodies are respectively arranged in each through hole and respectively provide an outward tension so as to maintain the optical film group flat, so the warpage distortion is not produced due to the changing of the environment temperature and humidity, the display quality and the optical taste of the plane display is effectively improved.

A display device includes a display panel and a backlight module disposed under the display panel. The display panel has a display area and a light-blocking layer disposed around the display area. The backlight module includes a plurality of light sources, a reflector disposed corresponding to the light sources, an optical modulation film disposed above the light sources and the reflector, a diffusion member sandwiched between the reflector and the optical modulation film, and a diffusion plate disposed on one side of the optical modulation film opposite to the diffusion member, wherein the optical modulation film is sandwiched between the diffusion plate and the diffusion member, and the diffusion member has a transmittance of 65%˜85%.

The invention discloses a light guide system, a direct type backlight mould and a liquid crystal display. The light guide system comprises an ambient light acquisition system, multiple light guide devices and multiple diffusing light devices, wherein the ambient light acquisition system faces ambient light and can absorb ambient light and output absorbed light; each light guide device is provided with a light inlet end and a light outlet end, each light inlet end is adjacent to the ambient light acquisition system, absorbed light enters the light inlet end and is guided to the light outlet end, and multiple light outlet end arrays are arranged below an incident surface of a diffusing plate; and each diffusing light device is arranged between the corresponding light outlet end and incident surface, and the diffusing light devices can expand light emitting angles of the light outlet ends. The diffusing light devices arranged between the light outlet ends and the light inlet surfaces can expand the light emitting angles of the light outlet ends, and therefore the nonuniform brightness phenomenon generated among the light outlet ends is improved, and the optical level of a direct type backlight mould is improved.

The invention relates to a display panel driving method, a system and a display device. The method comprises the following steps: acquiring the grayscale value of a current sub pixel of a display panel, the horizontal coordinate value of the current sub pixel, the compensation gain value of each interval boundary line, the coordinate value of each interval boundary line, and the grayscale values of the sub pixels in the previous row of the display panel; querying in a grayscale query table according to the grayscale value of the current sub pixel of the display panel and the grayscale values of the sub pixels in the previous row, and calculating the grayscale change compensation value of the current sub pixel; judging an interval to which the current sub pixel belongs; getting the compensation value of the interval according to the compensation gain values of two boundary lines adjacent to the interval and the grayscale change compensation value of the current sub pixel; and finally, calculating the compensation value of the current sub pixel, and calculating the final compensation grayscale value of the current sub pixel according to the grayscale value of the current sub pixel and the compensation value of the current sub pixel. The chromatic aberration is improved and the optical taste of products is improved without increasing the cost.

An embodiment of the invention discloses a display device. The display device comprises a display panel and a backlight module; the display panel is arranged on the light emitting side of the backlight module; the display panel comprises at least one sensor setting area and a display area surrounding the sensor setting area; the backlight module comprises a backlight area and at least one hole digging area; the backlight area is arranged corresponding to the display area, and the hole digging area and the sensor setting area are arranged in a one-to-one correspondence mode; the hole digging area is provided with a light transmission through hole penetrating through the backlight module in the first direction, wherein the first direction is the direction of the backlight module pointing tothe display panel; and the display device also comprises a light supplementing structure which is arranged in the light transmission through hole, and the light supplementing structure is used for adjusting the light emitted from the backlight module to the light supplementing structure to irradiate the sensor setting area corresponding to the light transmission through hole. According to the technical scheme provided by the embodiment of the invention, the light rays irradiated to the sensor setting area can be compensated by the light supplementing structure, so that the optical taste of thedisplay device can be improved.

The invention provides liquid crystal medium mixture and a liquid crystal display using the liquid crystal medium mixture. The liquid crystal medium mixture comprises at least one kind of anisotropic liquid crystal materials and one kind of polymerizable monomer which can be subjected to polymerization reaction under the irradiation of ultraviolet light; and the polymerizable monomer accounts for 0.1 to 1 percent based on the total weight of the liquid crystal medium mixture. According to the liquid crystal medium mixture and the liquid crystal display using the liquid crystal medium mixture, one kind of the polymerizable monomer which can be subjected to polymerization reaction under the irradiation of ultraviolet light, and an appropriate proportion are adopted, so that polymer prominence which is small in size and high in uniformity can be obtained through polymerization reaction, and the phenomena of poor liquid crystal alignment effect and dark-state bright point of a liquid crystal panel can be avoided; and therefore, the liquid crystal panel is high in response speed, high contrast ratio can be guaranteed, and the stable mass production can be realized.

The invention provides a liquid crystal medium mixture and a liquid crystal display using the liquid crystal medium mixture. The liquid crystal medium mixture comprises at least one anisotropic liquid crystal material and a polymerizable monomer which can be polymerized under ultraviolet irradiation; and the polymerizable monomer is 0.1-1% of the total weight of the liquid crystal medium mixture in part by weight. According to the liquid crytal medium mixture and the liquid crystal display using the liquid crystal medium mixture provided by the invention, the liquid medium mixture can be polymerized to obtain polymer prominence which is relatively small in size and high in uniformity by adopting the polymerizable monomer which can be polymerized under ultraviolet irradiation based on proper mixture ratio, so that the phenomena that poor liquid crystal alignment is obtained, and bright spot is generated on a liquid crystal panel under dark state are avoided, and as a result, fast response speed of the liquid crystal panel is obtained as well as high contrast ratio, and stable volume production is achieved.

The invention discloses a PCB and a direct type backlight module with the PCB and relates to the technical field of backlight. The PCB is provided with multiple network points. The network points are arranged layer by layer with LEDs serving as the centers and limited within the lens screen printing range. The direct type backlight module comprises a lamp bar. The lamp bar is composed of lenses, the LEDs and the PCB. Compared with the prior art, the PCB and the direct type backlight module have the following advantages that different network points and arrangement modes can be adopted according to actual requirements, the optical level of the direct type backlight module can be effectively improved, the lamp shadow phenomenon is weakened, cost is reduced, the scheme of the PCB and the direct type backlight module is simple, cost is low, the lamp shadow problem can be effectively solved, illumination evenness is improved, and the cost of the backlight module can be greatly reduced.

The present invention provides a hook-face liquid crystal display panel and a display device. The hook-face liquid crystal display panel comprises a first substrate, a second substrate and separators, wherein the separators are disposed between the first substrate and the second substrate and used for supporting the first substrate and the second substrate, the separators are fixed at an inner side of the first substrate and are equal in height, and compensation structures are disposed at an inner side surface of the second substrate and used for compensating deformation differences occurred in compression of the separators at different positions, thus to enable the thickness of the hook-face liquid crystal display panel to be consistent. The display device comprises the above hook-face liquid crystal display panel. The hook-face liquid crystal display panel can clearly display images, and optical tastes are raised.

The invention discloses a light guiding system, a side-inlet type backlight module and a liquid crystal display. The light guiding system comprises an ambient light collection system, a plurality of light guiding devices and a fluorescent film. The ambient light collection system faces ambient light to absorb the ambient light. Every light guiding device is provided with a light inlet end and a light outlet end, the light outlet end is close to a light inlet side of a light guiding plate, the light inlet end is close to the ambient light collection system, and the absorbed ambient light enters into the light inlet end and is transmitted to the light outlet end. The fluorescent film is arranged between the light outlet end and the light inlet side. The fluorescent film enables light beam emitted from the light outlet end to be scattered, so that the phenomenon of uneven brightness of the light beam emitted from the light outlet end on the light inlet side is improved and the optical taste of the side-inlet type backlight module is improved, and moreover, the fluorescent film can convert shortwave light with wavelength of 200nm to 400nm into visible light to prevent parts of the side-inlet type backlight module from being irradiated by the shortwave light, so that the service life of the parts can be prolonged, and the service life of the liquid crystal display can be prolonged.

The invention relates to an array substrate, an array substrate manufacturing method and a display device. The array substrate comprises a thin film transistor and a storage capacitor, wherein the storage capacitor comprises a first polar plate, a buffer layer, a second polar plate, a first insulating layer, a third polar plate, a second insulating layer, a fourth polar plate, a third insulating layer, a fifth polar plate, a passivating layer and a sixth polar plate formed in turn on the substrate; the third polar plate and the first polar plate are electrically connected through a via hole passing through the first insulating layer and the buffer layer; the fourth polar plate and the second polar plate are electrically connected through a via hole passing through the second insulating layer and the first insulating layer; the sixth polar plate and the fourth polar plate are electrically connected through a via hole passing through the passivating layer, the fifth polar plate and the third insulating layer; and corresponding parts exist between the first polar plate and the second polar plate, between the second polar plate and the third polar plate, between the third polar plate and the fourth polar plate, between the fourth polar plate and the fifth polar plate and between the fifth polar plate and the sixth polar plate. The capacitance value of the storage capacitor can be effectively increased.

The invention discloses a backlight module. The module comprises a light guide plate, a reflective sheet and an optical membrane set which are respectively arranged on the lower surface and the upper surface of the light guide plate. The module further comprises a light source assembly arranged on one end of a light-incident side of the light guide plate, a glue frame, and shading glue attached to the outer side wall of the glue frame and the bottom surface of the reflective sheet.The invention further discloses an adhesive tape applying apparatus and an adhesive tape applying method for the backlight module. Due to the fact that the shading glue is attached to the outer side wall of the glue frame and the bottom surface of the reflective sheet, light leakage between the two is avoided so that optical taste of the backlight module is increased. When the shading glue is used for attaching, a boss is clamped on the inner wall of the glue frame and close to a carrying table of the reflective sheet. After the glue frame is extruded on the reflective sheet, the shading glue is attached to the outer side wall of the glue frame through motion of an adhesive tape attaching block. Therefore, attaching efficiency of the shading glue is effectively improved.

The invention discloses a light guiding system, a side-inlet type backlight module and a liquid crystal display. The light guiding system comprises an ambient light collection system, a plurality of light guiding devices and a plurality of light scattering devices. The ambient light collection system faces ambient light and is used for absorbing the ambient light to generate absorbing light. Every light guiding device is provided with a light inlet end and a light outlet end, the light outlet end is close to a light inlet side of a light guiding plate, the light inlet end is close to the ambient light collection system, and the absorbed light enters into the light inlet end and is transmitted to the light outlet end to form backlight light source. Every light scattering device which is arranged between the light outlet end and the light inlet side is used for enlarging the beam angle of light beam emitted from the light outlet end. According to the light guiding system, the side-inlet type backlight module and the liquid crystal display, the light guiding system uses the light scattering device for enlarging the beam angle of light beam emitted from the light outlet end, so that the phenomenon of uneven brightness of the light beam emitted from the light outlet end is improved and the optical taste of the side-entering type backlight module is improved.

The invention discloses a light guide system, a lateral type backlight module and a liquid crystal display (LCD). The light guide system comprises an ambient light collecting system, a plurality of light guide devices and at least two light guide bars. The ambient light collecting system faces towards ambient light, absorbs the ambient light and generates absorbed light. Each light guide device is provided with a light inlet end and a light outlet end, the light inlet end is close to the ambient light collecting system, and the absorbed light enters the light inlet end and is guided to the light outlet end. Each light guide bar comprises a light outlet lateral face, a light inlet lateral face and a second lateral face, wherein each light inlet lateral face is connected with the corresponding light outlet lateral face, and each second lateral face is opposite to the corresponding light inlet lateral face. The light outlet lateral faces are close to a light inlet face of a light guide panel, the second lateral face of a first light guide bar is arranged opposite to that of a second light guide bar, one part of the light outlet ends of the light guide devices are close to the light inlet lateral face of the first light guide bar, and the other part of the light outlet ends of the light guide devices are close to the light inlet lateral face of the second light guide bar.

The invention provides a liquid crystal medium mixture and a liquid crystal display using the liquid crystal medium mixture. The liquid crystal medium mixture comprises components of at least one anisotropy liquid crystal material and two polymerizable monomers which can generate polymerization reaction under ultraviolet irradiation. The polymerizable monomers in part by weight occupy 0.1%-1% of a total quantity of the liquid crystal medium mixture. By means of the liquid crystal medium mixture and the liquid crystal display, the liquid crystal medium mixture can be subjected to the polymerization reaction by adopting two or more than two polymerizable monomers which can generate polymerization reaction under ultraviolet irradiation and appropriate cooperation, polymer prominences in small size and good uniformity can be obtained, and poor alignment of liquid crystal and dark state bright spots of a liquid crystal display panel are avoided, thereby a response speed of the liquid crystal display panel is quickened to obtain a high contrast ratio, and stable volume production performance is achieved.

The invention provides a backlight device of a display, wherein the backlight device mainly comprises at least one light source device, a casing, a light guide plate, a plurality of fixed structures and a plurality of light shielding elements. The casing comprises a bottom plate. The light guide plate is provided with an upper surface, a lower surface and a side surface, the edge of the light guide plate is provided with a plurality of openings and the lower surface thereof faces the casing and is arranged on the casing. The fixed structures are arranged on the bottom plate in a convex manner, corresponding to the openings of the light guide plate, and penetrate the openings of the light guide plate. The light shielding elements have a light penetration rate less than 50% and are arranged at the openings of the light guide plate.

The invention discloses a pixel structure. The pixel structure at least comprises a first pixel electrode and a second pixel electrode adjacent to the first pixel electrode, wherein the first pixel electrode has a first effective display part and a first non-effective display part; the second pixel electrode has a second effective display part and a second non-effective display part; a display area of the first effective display part is smaller than a display area of the second effective display part; and a specific value range of a practical coverage of the second pixel electrode and a practical coverage of the first pixel electrode is 1 to 2 / 3. The invention further discloses a display panel having the pixel structure. With the above method, displaying effect can be improved and displaying stability of the display panel can be guaranteed.

The invention provides a curved surface display panel. The curved surface display panel comprises a curved-surface color film substrate, a curved-surface array substrate, and a liquid crystal layer. The curved surface display panel includes a plurality of pixel modules, each of the pixel modules includes a pixel electrode and two shading blocks which are located on two sides of the pixel electrode and adjacent to the pixel electrode. The curved surface display panel comprises a central section area and lateral areas located on two sides of the central section area. In each pixel module at the lateral areas of the curved surface display panel, distances between a front projection of the pixel electrode on the curved surface color film substrate and the two shading blocks is D1 and D2. When the curved surface display panel is in a flattening state, the D1 and the D2 are not equal. And when the curved surface display panel is in a curved state, the D1 is equal to the D2.

The present invention provides a hook-face liquid crystal display panel and a display device. The hook-face liquid crystal display panel comprises a first substrate, a second substrate and separators, wherein the separators are disposed between the first substrate and the second substrate and used for supporting the first substrate and the second substrate, and the separators are made of different materials, such that when the liquid crystal display panel is bent, and after the separators deform, the thickness of the liquid crystal display panel maintains consistent. The display device comprises the above hook-face liquid crystal display panel. When the liquid crystal display panel is bent, the thickness of the hook-face liquid crystal display panel maintains consistent, thereby ensuring that the liquid crystal can clearly display images and raising optical tastes.

The invention discloses a high-brightness and wide-color-gamut direct type backlight module and a liquid crystal display applying the module. The high-brightness and wide-color-gamut direct type backlight module comprises an optical membrane set, a backlight lamp plate, and a plurality of colored lamps and white lamps which are arranged on the backlight lamp plate and are mixed and matched; the optical membrane set sequentially comprises a polarization type brightness enhancing membrane, a brightness enhancing membrane and a diffusion membrane from top to bottom; the backlight lamp plate is located below the optical membrane set; the ratio of a light mixing distance of the colored lamps and the white lamps to the distance between the lamps of the same type is (1.1-1.2) to 1; and the light mixing distance is the distance from the upper surface of each lamp to the lower surface of the diffusion membrane. According to the high-brightness and wide-color-gamut direct type backlight module, an optimal RGB (Red, Green and Blue) lamp for improving a color gamut of the liquid crystal display is obtained; a light mixing defect of the full colored lamps is improved by applying a method of mixing and matching the colored lamps and the white lamps; and meanwhile, the light mixing distance is reduced. Backlight is optimized so that the excellent display quality and optical taste of a liquid crystal module are realized under the condition of keeping the high brightness and the wide color gamut, and the thickness of a full-colored-lamp direct type backlight cavity is reduced.

The invention discloses a backlight module and a display device thereof. The backlight module comprises a light guide board, a rubber frame and a plurality of point light sources which are adjacent to an input surface of the light guide board; the backlight module further comprises a non-light-transmitting layer; part of the non-light-transmitting layer is stuck on the rubber frame and the other part of the non-light-transmitting layer is arranged on an output surface of the light guide board; and the non-light-transmitting layer is used for shielding and absorbing part of light which is directly sent by a plurality of the point light sources, and light emitted by the output surface covered by the non-light-transmitting layer. With the adoption of the structure, an edge frame of the backlight module is narrowed; even if an A / P specific value is less than 0.5, a Host spot phenomenon can be avoided, so that the optical taste of the backlight module and the display effect of the display device are improved, an assembling process is simplified and the assembling cost is reduced.

The invention provides a liquid crystal medium mixture and a liquid crystal display using the same. The liquid crystal medium mixture comprises the following components: at least one anisotropic liquid crystal material, and two or more polymerizable monomers which can be polymerized under UV (ultraviolet) irradiation, wherein the polymerizable monomers account for 0.1-1% of the total amount of the liquid crystal medium mixture in part by weight. The liquid crystal medium mixture can be formed in a way that the two or more polymerizable monomers which can be polymerized under the UV irradiation can be polymerized into polymer bulge with relatively small size and good uniformity according to a proper ratio, so that poor liquid crystal alignment, and a light spot phenomenon of a liquid crystal panel in the dark state is avoided, thus increasing the response speed of the liquid crystal panel and achieving high contrast and stable massive productivity.