66results about How to "Improve Optical Taste" patented technology

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.

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 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 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 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 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 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.

The invention relates to a curved-surface display panel and a curved-surface display device. The curved-surface display panel comprises a first substrate, a second substrate, a colour filter layer andmultiple spacing columns; the first substrate and the second substrate are oppositely arranged; the colour filter layer is arranged on the first substrate or the second substrate; the multiple spacing columns define a spacing space between the first substrate and the second substrate; in a plane state, in the arrangement direction of multiple data lines, when the spacing columns in this column and active switches in this column are superposed, the first interval between the spacing columns in this column and the spacing columns in the secondary column and the second interval between the active switches in this column and the active switches in the secondary column are deviated by an offset distance; and, in a curved-surface state, the multiple spacing columns and the multiple active switches are superposed.