Abstract: A backlight module includes: light sources; a light guide plate disposed at a side of the light sources, the light guide plate including a second light guide portion disposed adjacent to the light sources and a first light guide portion disposed on a side of the second light portion away from the light sources, a thickness of the second light guide portion being greater than a thickness of the first light guide portion; and a back plate including a first back plate portion disposed at a side of the light sources away from the light guide plate and a second back plate portion disposed at a side of the light guide plate which is opposite to a light exit side of the light guide plate.

Abstract: A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.

Abstract: An example of the present invention provides a quantum rod layer including: a photo-induced polymer including a base polymer aligned along a first direction and a photo-reactive group combined to the base polymer; and a quantum rod aligned along the first direction.

Abstract: The present disclosure relates to a backlight module as well as a display panel and an electronic device comprising the same. The backlight module includes: a light guide plate; a first low refractive plating layer; a diffusion plating layer; a high refractive plating layer; a second low refractive plating layer; a Bragg reflective plating layer; and a light source. Further, in the backlight module, refractive indexes of the first low refractive plating layer and the second low refractive plating layer are lower than that of the light guide plate, and a refractive index of the high refractive plating layer is higher than that of the light guide plate.

Abstract: The present disclosure has disclosed a light guide device, comprising an optical waveguide layer (100), and a reflection layer (110) one surface of which is connected with the optical waveguide layer, said one surface including a plurality of protrusions (113), each protrusion including a first surface (114) forming a first angle (?1) with respect to a surface of the optical waveguide layer, and a first intersection line (116) between a plane in which the surface of the optical waveguide layer is located and a plane in which the first surface is located being perpendicular to a light guiding direction of the optical waveguide layer. The present disclosure has disclosed a manufacturing method of a light guide device as well as a backlight module and display device including the light guide device at the same time.

Abstract: A three-dimensional (3D) image display apparatus includes a display panel configured to display a 3D image; a light guide panel disposed on a rear surface of the display panel to emit light to the display panel; a first light source configured to irradiate light toward the light guide panel; a second light source configured to irradiate light toward the light guide panel; and a controller configured to control the first light source and the second light source to emit light alternately, wherein the light guide panel includes a first pattern which responds to the first light source and does not respond to the second light source, and a second pattern which responds to the second light source and does not respond to the first light source.

Abstract: The present disclosure provides a display device, including a light guide plate having a main body part including a first side and a second side opposite to each other and a light incident side connected to the first side and the second side and a first protrusion part and a second protrusion part disposed at the first side and the second side respectively, and a plurality of light sources. A length of the first protrusion part is greater than a length of the second protrusion part. The light sources are adjacent to the light incident side, and the distance between the light source closest to the first protrusion part and the first protrusion part is less than the distance between the light source closest to the second protrusion part and the second protrusion part in a first direction.

Abstract: A light guide includes a light input surface, a first major surface orthogonal to the light input surface, a second major surface opposing the first major, a plurality of discrete light extraction features disposed on the second major surface and a plurality of closely packed prisms disposed along the second major surface. The plurality of discrete light extraction features separate the plurality of closely packed prisms from the second major surface. Each of the closely packed prisms include a first prism surface forming a first angle with the second surface in a range from 80 to 100 degrees or in a range from 85 to 95 degrees or in a range from 87 to 93 degrees.

Abstract: An optical member includes a light guide plate, a wavelength conversion layer, and a reflective tape. The wavelength conversion layer is disposed on an upper surface of the light guide plate. The reflective tape includes a first side portion covering first side surfaces of the light guide plate and the wavelength conversion layer. The reflective tape includes a first surface and a second surface. The first surface is configured to reflect light of a first wavelength band and light of a second wavelength band different from the first wavelength band. The second surface is configured to absorb the light of the first wavelength band.

Abstract: A light guide plate (LGP) positioning structure, a backlight module and a display device are provided. The LGP positioning structure includes: a plurality of positioning members disposed between a first surface of a LGP and a back plate. The first surface is adjacent to an incident surface of the LGP. The surface reflectivity of the positioning members near the incident surface is lower than the surface reflectivity of the positioning members away from the incident surface.

Abstract: A backlight unit satisfies the relationship given by the following expression: S<2(A??3T), where A (mm) represents the length along which the light shielding member covers the light diffusion sheet before shrinkage, T (mm) represents the thickness of the prism sheet, and S (mm) represents the amount of shrinkage of an end on the frame side of the light diffusion sheet in the planar direction of the light diffusion sheet. The backlight unit also satisfies the relationship given by the following expression: E<D, where D (mm) represents the distance between the end on the frame side of the light diffusion sheet before expansion and a frame and E (mm) represents the amount of expansion of the end on the frame side of the light diffusion sheet in the planar direction of the light diffusion sheet.

Abstract: A liquid crystal display device includes: a backlight unit including: a light-emitting diode (LED) assembly including a plurality of LEDs, a glass diffuser above the LEDs, and a reflector under the LEDs, a liquid crystal panel above the glass diffuser, a portion of a back edge thereof being attached to the glass diffuser by a first adhesive member having a first width, a main frame surrounding a side of the liquid crystal panel and the backlight unit, the main frame including: a vertical portion, and a guide bar, the guide bar protruding from the vertical portion, and a bottom frame including a lower surface under the backlight unit, wherein the glass diffuser is above the main frame, and wherein the main frame is attached to a portion of the glass diffuser by a second adhesive member having a second width greater than the first width.

Abstract: A waveguide display is used for presenting media to a user. The waveguide display is part of a Near Eye Device (NED), and an output of the waveguide display is a light field directed to a user's eye that extends across the surface of an exit pupil. Light traveling in total internal reflection (TIR) is selectively interrupted through frustrated total internal reflection (FTIR). FTIR coupling between waveguides produces multiple expansions of an input light field. The coupling locations of FTIR are dynamic, allowing for adjustment of the location and size of the exit pupil.

Abstract: A luminous false-wall device, comprising: a chassis constituted by at least one profile, the chassis comprising an upper part directed toward a panel to be covered, such as a wall or ceiling, and a lower part; a diffusing canvas fixed on the chassis and stretched on the lower part of the chassis; a light placed between the panel and the canvas configured to emit light in the direction of the canvas; wherein the chassis is provided with means of increasing the light intensity of the light.

Abstract: A display device includes a liquid crystal layer and a backlight. The liquid crystal layer includes a first liquid crystal portion including a first plurality of pixels, and a second liquid crystal portion including a second plurality of pixels. The backlight includes a first backlight unit corresponding to the first liquid crystal portion, and a second backlight unit corresponding to the second liquid crystal portion. Each backlight unit includes one or more light sources, and a light guide for guiding light generated by the one or more light sources to a respective liquid crystal portion.

Abstract: Provide are a composite optical sheet used for a liquid crystal display (LCD) device and a method of manufacturing the composite optical sheet. The LCD device includes: a liquid crystal panel; a surface light-emitting module; a base layer disposed between the liquid crystal panel and the surface light-emitting module; a diffusion pattern layer disposed on a surface of the base layer facing the surface light-emitting module and configured to diffuse light incident from the surface light-emitting module; a prism pattern layer disposed on a surface of the base layer facing the liquid crystal panel and including a plurality of first unit prisms; and a prism film adhered to the prism pattern layer and including a plurality of second unit prisms.

Abstract: Provided is a digital holographic imaging apparatus, comprising: an illumination portion (10) having an illumination light emission surface (32i) for emitting coherent light of a specific wavelength as illumination light toward an object (1) side relative to the illumination light emission surface (32i), and a reference light emission surface (32r) for emitting the coherent light, as reference light, in a direction opposite to the illumination light; and an image sensor (50) located on the reference light emission surface (32r) side of the illumination portion (10) and imaging an interference pattern between object light having been modulated by the object (1) and passed through the illumination portion (10) and the reference light of the illumination light, the image sensor (50) having a pixel array (51) comprising two-dimensionally aligned pixels.

Abstract: A display panel is provided. The display panel comprises a display panel; and a light modulation substrate disposed opposite to the display panel. The light modulation substrate includes a base layer and a transparent dielectric layer covering the base layer. The base layer has a first surface facing the display panel and an opposing second surface, and the transparent dielectric layer is disposed on the first surface of the base layer. A plurality of reflective gratings are disposed on the base layer. The transparent dielectric layer has a first surface facing the base layer and an opposing second surface, and the second surface of the transparent dielectric layer is a transparent dielectric layer surface. The transparent dielectric layer has a refractive index of n, and n>1. Outgoing light of the display device converges to a plurality of light-emitting points outside the display device.

Abstract: Disclosed is a television color cast adjustment method, including: dividing a television display screen into a plurality of areas according to a predetermined manner; determining an adjustment coefficient of red light and an adjustment coefficient of blue light in each area according to a position of each area relative to a light bar for the television display screen; adjusting initial image in each area according to the adjustment coefficients of red light and blue light thereof, and displaying the adjusted image in each area on the television display screen. Disclosed is also a television color cast adjustment apparatus. The present disclosure may solve the problem that the color cast appears on television display screens which is caused by the glass light guide plate, thus the viewing effect of TVs is improved.

Abstract: Disclosed is a display apparatus having a liquid crystal panel to display images; a light source to supply light to the liquid crystal panel; and a printed circuit board having a light source embedding unit in which the light source is embedded, and a connector mounting unit at which a connector configured to connect to an outside circuit is mounted. The printed circuit board is bent such that the connector mounting unit may be positioned lower than or offset from the light source embedding unit. The printed circuit board may be bent such that the connector may not be protruded further upward than the height of an upper surface of the light source embedding unit, and thus the thickness of the display apparatus may be improved.

Abstract: A backlight device includes a first surface and a second surface that is opposite to the first surface. The backlight device is configured to emit light in a first optical band through the second surface toward a display panel of a head-mounted display (HMD). The display panel is configured to convert the light from the backlight device to image light. The backlight device is transparent to light in a second optical band that is different than the first optical band. An eye tracking system illuminates an eyebox with light in the second optical band. A camera assembly positioned adjacent to the first surface of the backlight device. The camera assembly is configured to capture images of the eye in the second optical band through the backlight device, the display panel. The eye tracking system determines eye tracking information based at least in part on the captured images.

Abstract: A display apparatus and a method of controlling the same are disclosed. The display apparatus includes: a light source configured to emit light having a wavelength less than or equal to a predetermined level; a waveguide plate having a slope pattern that allows the light emitted from the light source to be output to a left side or a right side about a vertical direction of an optical axis of the light source; and a display panel comprising a plurality of pixels, each of the plurality of pixels comprising a white sub pixel configured to transmit the light output from the waveguide plate.

Abstract: A display device includes: a side-lighting backlight source, a display panel, and a light controlling component; the side-lighting backlight source comprises a light guide plate and a plurality of light emitting devices; the light guide plate includes a plurality of first regions and a brightness of a light emitting face of each of the first regions is controllable by at least one of the light emitting devices; the light controlling component includes a plurality of second regions configured such that one of the first regions covers at least one of the second regions; the brightness of the light emitting face of each of the first regions and a light transmittance of each of the second regions are controlled according to the contrast of the image to be displayed by a corresponding region of the liquid crystal display panel.

Abstract: The present disclosure relates to a display device. A downward-bending portion is formed on an end of an inner plate arranged on the inner surface of a back cover, which is a back support structure of the display device, such that the outer surface of the downward-bending portion contacts the inner surface of the back cover, thereby improving the rigidity and heat-radiating performance of the inner plate, and guaranteeing that the elastic force from the downward-bending portion prevents the display panel from being damaged by cracks. Furthermore, an inward-bending portion is formed on the front end of the vertical extension portion of the back cover, thereby improving the rigidity of the back cover, and guaranteeing that elastic deformation of the inward-bending portion protects the display device from lateral impacts.

Abstract: A polarization layer including a wire grid layer including a metal wire; and a polarization layer on the wire grid layer and a host and a dichroic dye, wherein the host is one of a reactive mesogen and a liquid crystal polymer, and a liquid crystal display device including the polarization layer are provided.

Abstract: A lighting device includes a light guide plate and a light source. The light guide plate includes a plate-like member. The light source is arranged so as to oppose an end surface of the light guide plate and emits light to the end surface. The light guide plate has a light incidence surface, an opposite surface of incidence, and a through-hole. In a straight traveling direction of light traveling straight inside the light guide plate from the light incidence surface to the opposite surface of incidence along an optical axis direction of the light, a region on the opposite surface of incidence side with respect to the through-hole is a shielded region where the light traveling straight along the optical axis direction is interrupted by the through-hole. Stepwise step parts that emit light from the light source to the shielded region side are provided adjacent to the shielded region.

Abstract: A light guide plate presents a plurality of patterns via prisms illuminated by light sources aligned along one sidewall of the light guide plate. Each light source corresponds to a different pattern. A storage unit stores lighting sequence information and a controller controls the turning on and off of the plurality of light sources in accordance with the lighting sequence information, thereby illuminating the patterns. Visible light emitted from the light sources to enters the light guide plate via an incidence surface. The prisms making up the patterns reflect only the visible light emitted from a light source corresponding to a particular pattern.

Abstract: A directional backlight unit and an image display apparatus including the directional backlight unit are provided. The directional backlight unit includes at least one light source and a light guide plate that guides light emitted by the light source. An interval between grating patterns formed on the light guide plate satisfies at least one condition of a first range and a second range in order to minimize a spreading of light caused by the grating patterns.

Abstract: A display apparatus including a dichroic filter is provided. The display apparatus includes a display panel including a liquid crystal layer and a quantum dot color filter disposed on the liquid crystal layer; a light source configured to emit light; a light guide plate configured to guide the light emitted from the light source towards the display panel; and a dichroic filter provided on a first side the light guide plate that is opposite to a second side of the light guide plate on which the display panel is provided, the dichroic filter being configured to concentrate the light emitted from the light source.

Abstract: A display apparatus, and a light guide plate (LGP) of the display apparatus are provided. The LGP may include a first light guide segment and a second light guide segment that are alternately arranged in a first direction. The first light guide segment and the second light guide segment may be separated from each other by a light barrier. Light guided and output in the LGP may be diffused in one direction by an anisotropic diffuser. The first light guide segment may be configured to guide light from a first light source used to generate a two-dimensional (2D) image. The second light guide segment may be configured to guide light incident from a second light source used to generate a three-dimensional image.

Abstract: A display may have a backlight unit that provides backlight illumination. The backlight unit may include a light guide that distributes light through the display. Light-emitting diodes may emit light into the light guide. A reflector that is overlapped by the light guide may help reflect light upwards through an array of pixels. The backlight unit may have a chassis that receives the reflector, light guide, light-emitting diodes, and optical films such as diffusers and prism films. Optical and mechanical features in the backlight unit may enhance color and intensity uniformity for the backlight illumination and may help enhance durability.

Abstract: A light guide assembly includes a metal material printed circuit board. A light emitting diode is mounted on and extends away from a first face of the printed circuit board. A light guide molded from a light transmissive polymeric material is positioned proximate to the light emitting diode and is at least partially received in a concomitantly shaped through bore pre-formed in the printed circuit board. The light guide includes an extended feature co-molded from the same material as the light guide and extending away from the first face of the printed circuit board in an installed position of the light guide. The extended feature includes a first extended feature having a first length and a second extended feature having a second length, the second length greater than the first length.

Abstract: An electronic mirror device is attached to a vehicle interior and is used for rearward visual recognition. The electronic mirror device includes an optical member that reflects incident light from a front surface side and transmits incident light from a rear surface side, and an liquid crystal display that includes a liquid crystal panel disposed on the rear surface side of the optical member and a backlight that irradiates the liquid crystal panel with light, and displays an image of a rear view of the vehicle. A peak angle of the backlight is directed downward with respect to a front direction of the liquid crystal panel.

Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.

Abstract: A display includes a display panel for displaying an image; a backlight including a light guide plate disposed behind the display panel for outputting light to the display panel, and a light source that irradiates the light to a first side surface of the light guide plate; and a holder for supporting the display panel and the light guide plate and to have a concave portion that exposes at least a portion of a second side surface of the light guide plate positioned to be opposite to the first side surface of the light guide plate.

Abstract: An apparatus, according to an exemplary aspect of the present disclosure includes, among other things, a handle movable relative to a vehicle closure panel between an active mode and a stowed mode, and an illumination source incorporated into the handle. The illumination source illuminates the handle when in the active mode and illuminates a cargo area associated with the vehicle closure panel when in the stowed mode with the closure panel open. A method according to an exemplary aspect of the present disclosure includes, among other things, moving the handle relative to the vehicle closure panel between the active and stowed modes, illuminating the handle when in the active mode, and illuminating the cargo area when in the stowed mode.

Abstract: According to an aspect, a display apparatus includes: a first light-transmissive substrate; a second light-transmissive substrate arranged to face the first light-transmissive substrate; a liquid crystal layer including polymer dispersed liquid crystals sealed between the first light-transmissive substrate and the second light-transmissive substrate; at least one light-emitting device arranged to face at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate; and at least one reflector arranged on at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate, the side surface of the first or second light-transmissive substrate being on an opposite side of the side surface of the first or second light-transmissive substrate to which the at least one light-emitting device faces, and configured to reflect light at the side surface on the opposite side.

Abstract: The embodiments of the present invention provide an optical modulator, a backlight module and a display device. The optical modulator includes a first level modulation unit, a second level modulation unit and a third level modulation unit arranged in sequence. The first level modulation unit is a converging element for converging a light beam emitted from a light source. The second level modulation unit is a collimating element for converting the light beam from the first level modulation unit into a collimated light beam. The third level modulation unit is a redirecting element for converting the collimated light beam from the second level modulation unit into a vertically emitted light beam.

Abstract: A backlight unit includes a light source generating light, a light guide plate guiding the light in an upper direction, and an optical member disposed on the light guide plate to condense the light provided from the light guide plate in the upper direction. A top surface of the light guide plate includes a plurality of circular areas and a peripheral area around the circular areas. Each of the circular areas includes a central circular area and a ring area surrounding the central circular area. The optical member includes a first insulating layer disposed on the light guide plate and spaced apart from the light guide plate by predetermined distances in the ring areas and the peripheral area to define a plurality of cavities, and a second insulating layer disposed on the first insulating layer.

Abstract: An embodiment of the present disclosure provides a display device, including: a liquid crystal display panel, comprising a liquid crystal layer including a polymer network formed of a polymerizable monomer; a light guide component, wherein the light guide component is configured such that light from the light source is emitted out from the first surface of the light guide component into the liquid crystal display panel, and in a case that the liquid crystal layer is not applied with a voltage, light from the light source is totally reflected at the liquid crystal display panel without being emitted from a side of the second substrate opposite to the first substrate into the outside air.

Abstract: The present disclosure provides a vehicle-mounted display system and a vehicle. The vehicle-mounted display system includes a transparent projection screen and a projector configured to project an image onto the transparent projection screen. A first polarizer is attached onto a lens of the projector, and a second polarizer is attached onto the transparent projection screen. The second polarizer has a polarization transmission direction crossing a polarization transmission direction of the first polarizer at such an angle as to enable a light beam from the projector and passing through the first polarizer and the second polarizer to be of an intensity smaller than an intensity of a light beam capable of being recognized by human eyes. The second polarizer has a polarization reflection direction perpendicular to its polarization transmission direction, so as to reflect a light component in the polarization reflection direction.

Abstract: The present disclosure relates to a chip on film (COF) single-layer flexible printed circuit board, including: a flexible packaging substrate including a bonding area and a controlling chip being packaged on the flexible packaging substrate. The bonding area of the flexible packaging substrate is configured to bond with a bonding area of an array substrate. The controlling chip electrically connects to the bonding area of the flexible packaging substrate. The controlling chip and the bonding area of the flexible packaging substrate are configured on the same side of the flexible packaging substrate, and a portion of the flexible packaging substrate is bent at least one time. As such, the controlling chip faces away the array substrate, the cost and the complexity of the post-process may be reduced, and the COF single-layer flexible printed circuit board may be shipped in the folding manner.

Abstract: A light source module includes a light guide plate, a light source, a first prism sheet and a reflection sheet. The light guide plate includes a light exit surface, a bottom surface opposite to the light exit surface, and a light entrance surface connected to the light exit surface and the bottom surface. The light source is disposed beside the light entrance surface and adapted to emit a light beam to the light entrance surface. The first prism sheet is disposed on the light exit surface and includes first prism units. A surface of the first prism units faces away from the light exit surface. The reflection sheet is disposed on the bottom surface. The light guide plate is located between the reflection sheet and the first prism sheet. The reflection sheet includes microstructures. A surface of the microstructures faces the bottom surface of the light guide plate.

Abstract: The disclosure provides a backlight module includes a light guide plate and a light source device configured to provide light to the light guide plate. The light source device includes a circuit board and a LED lamp electrically connected to the circuit board. The LED lamp is external to the light guide plate and at a lateral surface of the light guide plate. The circuit board is parallel to the light guide plate with a portion pressed on another lateral surface of the light guide plate. The disclosure provides a display device includes a frame and a liquid crystal display screen and the backlight module installed on the frame. The reflective film and the circuit board share a part of room for thickness, so the thickness of the backlight module is reduced and the module is thinned.

Abstract: A display device is provided, which includes a controller, a display driver connected with the controller, a display panel connected with the display driver, a first barrier panel positioned above the display panel and a second barrier panel positioned above the first barrier panel. A plurality of first barriers arranged in parallel at intervals are distributed in the first barrier panel. A plurality of second barriers arranged in parallel at intervals are distributed in the second barrier panel. The controller is configured to send an image frame to the display driver. The display driver is configured to drive the display panel to display the image frame on display regions which are arranged in parallel at intervals. Each display region is configured to display a part of displayed contents in the image frame individually. The display device provides a wide-viewing-angle mode and a narrow-viewing-angle mode.

Abstract: In an embodiment, a display device comprises a display panel, a light source and a controller. The display panel including pixels, a common electrode, pixel electrodes and a liquid crystal layer containing a polymer dispersed liquid crystal. The light source emits light to the display panel. The liquid crystal layer scatters light when scattering voltage is applied between the common electrode and the pixel electrodes, and transmits light when transparent voltage is applied between the common electrode and the pixel electrodes. The controller applies the transparent voltage in a first period, and applies voltage in accordance with image data in a second period.

Abstract: A display may have a backlight unit that provides backlight illumination. The backlight unit may include a light guide that distributes light through the display. Light-emitting diodes may emit light into the light guide. A reflector that is overlapped by the light guide may help reflect light upwards through an array of pixels. The backlight unit may have a chassis that receives the reflector, light guide, light-emitting diodes, and optical films such as diffusers and prism films. Optical and mechanical features in the backlight unit may enhance color and intensity uniformity for the backlight illumination and may help enhance durability.

Abstract: The present disclosure relates to a light guide plate and a fabricating method thereof, an array substrate and a fabricating method thereof, and a display device. In the light guide plate provided in the present disclosure, in a region corresponding to a first display region for arranging a gate driven circuit, more net-dots are provided or the diameter of net-dots is set to be larger, such that the luminance of outgoing light from the light guide plate in this region can be increased, thereby weakening the luminance difference between the corresponding display region and other display region.

Abstract: A display device includes a transparent liquid crystal panel configured to allow an object arranged at the rear surface to be viewed from the front surface; a first polarizer arranged on at least one of the front surface and the rear surface of the transparent liquid crystal panel; a light source; a light guide element arranged at the other of the front surface and the rear surface of the transparent liquid crystal panel; a second polarizer arranged between the light guide element and the transparent liquid crystal panel, or between the light guide element and the light source and arranged to not block at least a portion of light transmitted through the light guide element via the object; and a controller.

Abstract: A display device includes a backlight plate, a first panel and a second panel. The backlight plate includes a plurality of light emission zones. The first panel is disposed on the backlight plate, and the first panel includes a plurality of first pixels. The second panel is disposed on the first panel, and the second panel includes a plurality of second pixels. A diffusion plate disposed between the first panel and second panel. A number of light emission zones is less than or equal to a number of first pixels. The number of first pixels is less than a number of second pixels.