11results about How to "Reduce light leakage" patented technology

The utility model discloses a display panel and display device, display panel includes substrate, color filter layer, transparent optical adhesive layer, pixel definition layer and cathode layer, pixel definition layer is located the one side of transparent optical adhesive layer away from substrate, wherein, transparent optical adhesive layer sets up first recess, pixel definition layer includes first definition branch, and cathode includes first cathode branch, along first direction, first recess, first definition branch and first cathode branch three project interlaced, and all with the non opening area projection interlaced of pixel definition layer, part first definition branch is located in first recess, forms first recess, part first cathode branch is located in first recess and forms reflecting electrode. Through setting up first recess in transparent optical adhesive layer, make corresponding first definition branch form first recess, and then make the first cathode branch of being located in first recess form reflecting electrode, utilize reflecting electrode and solve the light leakage problem between adjacent subpixels, improve display effect.

The application discloses a display panel, comprising a sub-pixel, a first metal layer, a second metal layer, a transparent conductive layer and a third metal layer. The sub-pixel comprises a switching element. The first metal layer comprises a scanning line electrically connected to the switching element. The second metal layer is arranged on the first metal layer and comprises a pixel electrode and a data line, the pixel electrode and the data line are electrically connected to the switching element, and a part of the data line comprises a black layer. The transparent conductive layer comprises a transparent electrode arranged on the pixel electrode and electrically connected to the pixel electrode. The third metal layer comprises a reflective electrode arranged on the transparent electrode and electrically connected to the transparent electrode.

The present application relates to an optical laminate with a protective film, a polarizing plate with a protective film, and an image display device. Provided are an optical laminate with a protective film, a polarizing plate with a protective film, and an image display device having a polarizing film provided with a polarizing plate with a protective film and the aforementioned optical laminate. An optical laminate with a protective film provided with a protective film and an optical laminate having a first optically anisotropic layer and a second optically anisotropic layer, the R40(550) of the optical laminate satisfies 110 nm ≤ R40(550) ≤ 175 nm, and the ratio of the tensile elastic modulus E1 in the direction parallel to the MD direction of the optical laminate to the tensile elastic modulus E2 in the direction parallel to the MD direction of the protective film satisfies E1 / E2 < 10.

The utility model provides a tail light and electric motor car relates to car lamp technical field. The utility model provides a tail light includes bottom shell, light source subassembly and lamp shade, bottom shell is connected with lamp shade, and the end surface of lamp shade has the even light area, and the side wall has the light leakage prevention area, light source subassembly includes the substrate and a plurality of light source spare, the substrate is located between bottom shell and lamp shade, and is installed in bottom shell, a plurality of light source spare interval distribution, and all install in the end surface of substrate towards lamp shade, the light emitting angle of light source spare is arranged as alpha, 90 DEG >= alpha >= 30 DEG, with the distance of the light emitting angle coincidence of two light source spare adjacent is P, with the distance between the end surface of substrate and lamp shade is H, H >= P. The utility model provides a tail light solves the technical problem of low brightness or high development design cost in prior art.

The utility model provides a kind of side light-emitting panel light, it is related to panel light technical field, including lamp holder, junction box, light guide plate, diffusion plate and light bar, diffusion plate is connected with the lamp holder by pressing mechanism, light bar is between lamp holder and diffusion plate, and light bar is fixed to the inner side wall of pressing mechanism, pressing mechanism includes first annular pressing plate, and the outer side wall of pressing plate is symmetrically equipped with several buckling locks, buckling lock is used to clamp lamp holder, annular pressing plate inner side is equipped with locating groove, and diffusion plate is rotatably fixedly connected on pressing mechanism by locating groove. The utility model is fixed to the inner side wall of pressing mechanism by setting above-mentioned structure, buckling lock makes lamp holder and pressing plate structure tightly engage, prevent light bar or diffusion plate from shifting in transportation or use, seamless butt joint lamp holder edge, gap is small, light leakage is less, and diffusion plate, lamp holder and pressing mechanism are simple to install, without many screws or adhesive, diffusion plate, lamp holder can be rotatably detached with pressing mechanism, convenient to clean or replace.

This invention discloses a diffractive waveguide, comprising a waveguide substrate, the waveguide substrate including at least one coupling grating and one coupling grating; the coupling grating has a helical tooth profile; the helical tooth angle of the coupling grating is θ, the tooth height is h, and the grating period is p, satisfying the helical tooth relationship: 0.9m*p≤h*tanθ≤1.1m*p; where m is a positive integer greater than or equal to 1. By setting the coupling grating to helical teeth, and configuring the parameters of the helical tooth grating such that the tangent of the helical tooth height multiplied by the tilt angle is equal to or close to an integer multiple of the helical tooth period, light leakage and the intensity of rainbows are reduced.

The utility model relates to optical diffraction technical field provides diffraction light waveguide structure and near eye display device, diffraction light waveguide structure includes: waveguide base, in -coupling grating and out -coupling grating, in -coupling grating and out -coupling grating set up in waveguide base surface, in -coupling grating is used for with incident light line in -coupling to waveguide base, out -coupling grating is used for with the diffraction light line conduction in waveguide base out -coupling, wherein, out -coupling grating is provided with a plurality of periodic arrangement's base element, base element is used for introducing the asymmetry of out -coupling grating along x direction, and base element is divided into first base element area and second base element area according to the central axis, the shape structure of first base element area and the shape structure of second base element area are not same, through above -mentioned diffraction light waveguide structure, the utility model can reduce the light leakage of grating waveguide out -coupling area, improve the efficiency of grating waveguide.

The present application relates to the technical field of head-mounted display devices, and particularly relates to a dual-function head-mounted display device with a data connector plug structure. The device comprises an adaptive wearing mechanism, one side wall of the adaptive wearing mechanism is provided with a connection adjusting mechanism, and one side wall of the connection adjusting mechanism away from the adaptive wearing mechanism is provided with a display mechanism. When the head-mounted display device is in a VR display function, the light outlet end of the mounting frame two is attached to the closed end of the mounting frame one, and external ambient light cannot enter, but the VR display module display picture can directly enter the connection adjusting mechanism for the user to watch through the beam combining prism. When the AR display function is switched, the control shell three is rotated by 180 degrees, so that the light outlet end of the mounting frame two is moved to the bottom of the light transmission channel, at this time, light can enter the beam combining prism and be reflected into the connection adjusting mechanism, so that the display picture of the VR display module can be superimposed with the real picture, and the use effect of the head-mounted display device is improved.

The utility model discloses a kind of original diamond rough color grading equipment, belong to CVD artificial synthesis diamond field. Including: light source, incident light transmission medium, collimating mirror, integrating sphere, emergent light transmission medium, optical analysis instrument, control host computer, one end of incident light transmission medium is connected with light source, collimating mirror is connected at the other end, the one end of collimating mirror away from incident light transmission medium corresponds with the position of integrating sphere, one end of emergent light transmission medium is connected with integrating sphere, and the other end is connected with optical analysis instrument, optical analysis instrument is connected with control host computer. Compared with prior art, the present application can simplify optical path, facilitate debugging, operation, facilitate to realize batch testing;Also can make the sample more sufficient to the absorption of light, reduce light leakage, the color parameter collected is more stable, and the accuracy of color grading is higher.

The application provides a jig, a packaging box, a stress release system of a curved display panel and a method thereof. The jig comprises a box body and a first air bag. The box body has a receiving cavity for placing the curved display panel. The receiving cavity comprises opposite first and second walls. The first wall is a plane, and the second wall is a curved surface with the same curvature as the curved display panel. The first air bag is arranged on the first wall. The first air bag has opposite first and second surfaces. The first surface is located on the side close to the first wall. When the first air bag is in an inflated state, the first surface is attached to the first wall, and the second surface is curved into a first curved surface. The bending direction of the first curved surface is the same as the bending direction of the second wall. The jig is used for stress release of the curved display panel. The stress of the curved display panel placed in the receiving cavity can be slowly released, so that the probability of light leakage of the curved display panel is reduced.

The application relates to the technical field of mini-LED, and provides a three-dimensional reflecting sheet for reducing mini-LED backlight halos, which comprises a plurality of integrally connected reflecting covers, each reflecting cover comprising: a reflecting bottom surface, the center of which is provided with a relief hole; a reflecting side surface, which is connected to the edge of the reflecting bottom surface along the circumference of the reflecting bottom surface, and which, together with the reflecting bottom surface, surrounds a cup-shaped cover body space; the adjacent reflecting covers are connected through the reflecting side surfaces, and the reflecting bottom surfaces and the reflecting side surfaces are integrally connected, so that the three-dimensional reflecting sheet is formed into an integral structure; the three-dimensional reflecting sheet can simultaneously process light rays from multiple directions, can block light beams from entering other control areas through the reflecting side surfaces, can reduce light leakage, and can reduce halos.