Boe Technology Group Co., Ltd.

Boe Technology Groupco., Ltd.

Yafeng Yang

Xiaochuan Chen

Jian Gao

Wei Wang

Jifeng Tan

Can Zhang

Can Wang

Xinli Ma

Xianqin Meng

Xue Dong

Xiandong Meng

Qian Wang

Pengcheng Lu

Wenqing Zhao

Jing Lv

Ming Zhu

Shengji Yang

Jaegeon You

Teruaki Suzuki

Lei Wang

Dongni Liu

Li Xiao

Han Yue

Dacheng Zhang

Xin Gu

Jie Fu

Feng Guan

Guangkui Qin

Kiman Kim

Xin Li

Zhen Liu

Lu Yu

Xiaochen Niu

Zhongxiao Li

Pengxia Liang

Haiyan Wang

Jikai Yao

Meili Wang

Huijuan Wang

Miki Kashima

Congcong Wei

Qian Jia

Jiaoming Lu

Chen Yu Chen

A display switching device, a display device and an electronic device are provided. The display switching device includes: a controller; and a lens array, including a plurality of diffractive lenticular lenses, wherein each of the diffractive lenticular lenses includes: a first substrate, including a diffraction phase grating array; a liquid crystal element, including liquid crystal being filled in the diffraction phase grating array; a first electrode layer and a second electrode layer configured to apply a voltage to the liquid crystal element, wherein the controller is configured to acquire a corresponding display mode and apply a control voltage corresponding to the display mode to the first electrode layer and the second electrode layer according to the display mode to change a refractive index state of the liquid crystal element.

Display switching device, display device and electronic device

A backlight source is provided which includes a light guide plateand a light-emitting unit. The light guide plateincludes a first surface and a second surface disposed oppositely. The light-emitting unitis located on the side of the light guide plate where the first surface disposed. The grating layerincludes at least one grating unit configured to diffract light emitted by the light-emitting unit. The overall structure of the backlight source is no longer limited by the distance between the LEDs and the first layer diffusion layer, and therefore the thinning and lightening of the backlight source is realized. A manufacturing method of a backlight source and a display device are further provided.

Backlight source and manufacturing method thereof, and display device

A fingerprint identification device, a touch display panel and a method for controlling fingerprint identification are provided in embodiments of the disclosure. The fingerprint identification device includes: a photoelectric sensor; and an optical waveguide, arranged on a touch substrate at another side, and configured to be in touch with a fingerprint, and comprising waveguide material portions and medium material portions, each of the waveguide material portions and each of the medium material portions being spaced apart from each other; and a light irradiating into the waveguide material portions is delivered to the surface(s) of the waveguide material portions facing away from the touch substrate after total reflections at interfaces between the medium material portions and the waveguide material portions. If a portion of valleys of the fingerprint gets in touch with the surface(s), since the portion of valleys is filled with air, then the light returns by total reflection so as to be identified by the photoelectric sensor; if a portion of ridges of the fingerprint gets in touch with the surface(s), the light at the portion of ridges is reflected by diffuse reflection so as not to be reflected back for identification by the photoelectric sensor. The fingerprint identification in embodiments of the disclosure is adapted to various display devices.

Fingerprint identification device and method for controlling the same, touch display panel and touch display device

A panel with a virtual curved display surface and a display device are provided. The virtual curved display panel includes a display panel and a grating. The grating is disposed at a light-exiting side of the display panel, and includes a plurality of light-transmitting regions and a plurality of light-shielding regions spaced apart from each other. Respective widths of the plurality of light-shielding regions of the grating are gradually decreased as respective distances from the plurality of light-shielding regions to a symmetry axis of the display panel are increased, and respective widths of the plurality of light-transmitting regions are gradually increased as respective distances from the plurality of light-transmitting regions to the symmetry axis of the display panel are increased.

Panel with virtual curved display surface and display device

An optical fingerprint recognition device and a display device are disclosed. The optical fingerprint recognition device includes: a light source; a light guide plate including two light guide surfaces parallel to each other; a first volume grating, a second volume grating, respectively provided on one of the two light guide surface; and a light detector. The light detector is provided at a side of the light guide plate away from the second volume grating and configured to detect intensity distribution of the light exported by the second volume grating. The first volume grating is configured to import light emitted by the light source into the light guide plate. The light guide plate is configured to perform total reflection to the light imported into the light guide plate. The second volume grating is configured to export light propagated in the light guide plate.

Optical fingerprint recognition device and display device

A display device and a display method thereof are provided. The display device includes: a first base substrate () and a second base substrate () which are arranged oppositely and a liquid crystal layer () between the first base substrate () and the second base substrate (), the display device further includes: a waveguide grating () between the liquid crystal layer () and the first base substrate (), the waveguide grating () including a waveguide layer () and a grating layer () on one side of the waveguide layer () facing the liquid crystal layer (), and the grating layer () being in contact with the liquid crystal layer (); and a collimation light source () on a lateral surface of the waveguide layer (), light emitted by the collimation light source () being coupled into the waveguide layer () and output from the grating layer (). The display device can regulate an amount of the light output from the waveguide grating by controlling changes of the refractive index of the liquid crystal layer so as to implement gray scale display.

Display device and display method thereof

A display panel and a display device are provided. The display panel includes: a lower substrate and an upper substrate cell-assembled together; a light-emitting control layer disposed between the lower substrate and the upper substrate; and a plurality of pixel units defined by a plurality of data lines and gate lines intersected with each other. Each pixel unit includes a plurality of subpixel areas. One or more side surfaces of the lower substrate are configured to receive incidence of the collimated light. The light-emitting control layer is configured to control the light-emitting directions and the light-emitting colors of the subpixel areas, to allow the light-emitting directions of the subpixel areas toward the central portion of the display panel. The light-emitting control layer is also configured to control the display grayscale of the subpixel areas.

Display panel and display device

A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.

Embodiments of the present disclosure provide a display panel, a method for manufacturing the same, and a display device, relating to the field of display technology. The display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a light splitting structure disposed on a side of the first substrate facing away from the liquid crystal layer. The light splitting structure is configured to perform spectroscopic processing on light incident on the light splitting structure to obtain light of at least one color, and project the light of the at least one color onto a pixel of a corresponding color in the display panel.

Display panel, manufacturing method thereof, and display device

A filter structure, a display substrate, a display panel and a display device are provided. The filter structure includes a first refractive index match layer, a waveguide layer, a second refractive index match layer and a grating layer, that are stacked, the waveguide layer is located between the first refractive index match layer and the second refractive index match layer, the second refractive index match layer is located between the waveguide layer () and the grating layer, and refractive index of the first refractive index match layer and refractive index of the second refractive index match layer both are smaller than refractive index of the waveguide layer.

Filter structure, display substrate, display panel and display device

The present disclosure relates to a display mode controlling device, a controlling method thereof and a display device. The display mode controlling device includes: a first substrate including a plurality of lens units arranged in an array, each of the lens units is provided with an annular diffractive phase grating; a second substrate aligned with the first substrate; a liquid crystal (LC) layer located between the first substrate and the second substrate; and a control electrode configured to generate a predetermined electric field to control a deflection state of a LC molecule.

Display mode controlling device, controlling method thereof and display device

This disclosure proposes a liquid crystal cell, a display and an electronic device. The liquid crystal cell comprises a first substrate and a second substrate disposed above the first substrate. The first substrate is configured to be formed with a diffraction phase grating array on a surface thereof close to the second substrate, and the diffraction phase grating array is filled with liquid crystal units. The second substrate is configured to comprise stacked first electrode layer, insulating layer and second electrode layer on a side thereof close to the first substrate.

Liquid crystal cell, display and electronic device

There is provided a holographic display device, which includes a display panel including plural sub-pixels, wherein each sub-pixel includes plural subdivided pixels, and each subdivided pixel has an adjustable light transmittance; a backlight, configured to provide reference light to the display panel; a phase adjustment layer, including plural transparent phase adjustment components, wherein each phase adjustment component is configured to adjust a phase of a light ray transmitted through the phase adjustment component, and the phase adjustment components corresponding to a single sub-pixel have phase adjustment amounts different from each other; and a controller, configured to obtain a target phase of a light ray to be transmitted through each sub-pixel, and determine a target subdivided pixel, which corresponds to the target phase, in each sub-pixel, and further configured to obtain a target intensity of the light ray, and adjust a light transmittance of the target subdivided pixel.

Holographic display device and holographic display method

A holographic imaging device includes a laser device, a laser beam expanding and collimating system and a liquid crystal cell. The laser beam expanding and collimating system is configured to expand a light beam from the laser device and enable the expanded light beam to be transmitted substantially vertically to the liquid crystal cell. An amplitude-transmission coefficient distribution of the liquid crystal cell is determined in accordance with a brightness distribution of holographic interference fringes of an object to be displayed.

Holographic imaging method, holographic imaging device, holographic imaging system, and storage medium

Embodiments of the disclosure provide a virtual curved surface display panel, a display device and a displaying method. The virtual curved surface display panel includes: a display panel having a plurality of pixels; and a plurality of imaging lens arrays disposed at a light emitting side of the display panel and arranged to image light from the plurality of pixels such that imaging trajectories for the plurality of pixels are located in a same virtual curved surface, thereby enabling a virtual curved surface display effect on a flat display panel.

Virtual curved surface display panel, display device and displaying method

Growing community of inventors

Beijing, China

Yafeng Yang