Hkc Corporation Limited

Mianyang Hkc Optoelectronics Technology Co., Ltd.

Chongqing Hkc Optoelectronics Technology Co., Ltd.

Changsha Hkc Optoelectronics Co., Ltd.

Rongrong Li

Zeyao Li

Xiufeng Zhou

Xin Yuan

Renjie Zhou

Mancheng Zhou

Zhaoyang Lu

Bin Qiu

Ye Wan

Qinglin Chen

Feng Jiang

Yizhen Xu

Yuanping Zhang

Liu He

Keming Yang

Qiang Leng

Fei Luo

Byung Hoon Kim

Hui Li

Mingliang Wang

Zhi Xiong

Shuang Hong Wang

Rong Tang

Tao Fan

Xiaogang Hu

Yang Pu

Jianlei Li

Jun Shi

Tingting Shen

Jianying Zhang

Wang Li

Chunyan Li

Zhiwei Li

Luhong Zhou

Guangping Wei

Kerong Wu

Ruidi Ran

Hao Huang

Yuanjie Yang

Chunhui Ren

Shasha Li

Hongcai Deng

Jingjing Hao

Tianyu Xia

Xinghao Xue

Sahng Ik Jun

Junlin Wang

Xiaowei Han

Honghai Liu

Peiyang Lin

Yiyao Xu

Yaohui Qin

Caiyu Song

Xuemei Chen

Lang Yu

An organic light emitting diode display method comprises: converting a video signal into a digital signal, and detecting a screen state displayed corresponding to the video signal; when the screen state is a dynamic screen, outputting first gamma voltage data being configured to control the dynamic screen to be displayed according to a first brightness curve; when the screen state is a static screen, outputting second gamma voltage data being configured to control the static screen to be displayed according to a second brightness curve, wherein the peak value of the first brightness curve being greater than the peak value of the second brightness curve; and receiving the digital signal and the first gamma voltage data or the second gamma voltage data, and performing display correspondingly according to the digital signal and the first gamma voltage data or the second gamma voltage data.

Organic light emitting diode display device and method, and electronic device

A display panel and a display device are provided in the disclosure. The display panel includes a carrier substrate, multiple emitting units disposed on the carrier substrate, and multiple light absorbing and reflecting assemblies. The multiple light absorbing and reflecting assemblies are disposed in correspondence with the multiple light emitting units and each of the multiple light absorbing and reflecting assemblies defines an opening, and where the light absorbing and reflecting assembly is configured to reflect at least part of light emitted by the light emitting unit to radiate through the opening, and to absorb external ambient light.

Display panel and display device

A scroll type display device related to the field of displaying technologies, and the device includes: a housing, a flexible screen scroll shaft, and a flexible display screen; the housing is provided with an opening configured for extending and retracting the flexible display screen; the flexible screen scroll shaft is rotatably arranged in the housing, and the flexible screen scroll shaft is connected with the flexible display screen and configured for winding the flexible display screen; and a rear surface of the flexible display screen is provided with a plurality of magnetic support structures arranged in a longitudinal direction, and two adjacent magnetic support structures are mutually attracted. The solution provided can improve the flatness of the flexible display screen and reduce the width of the frame of the screen.

Scroll type display device

A display panel includes a transparent substrate and a light emitting function layer and a color resist layer formed on the transparent substrate. The transparent substrate has a light emitting region and a non-light emitting region. The light-emitting functional layer is located at a side of the transparent substrate and includes a transistor and an organic light emitting device. The transistor is formed on the non-light-emitting region. The color resist layer is located on a side of the transparent substrate away from the light-emitting function layer. The color resist layer includes a black matrix formed on the non-light-emitting region and a color filter formed on the light-emitting region. Light emitted by the organic light-emitting device is emitted through the light-emitting region of the transparent substrate and the color filter in sequence.

Display panel without polarizer and manufacturing method thereof

The present application provides a display panel and a method of manufacturing a display panel. The display panel includes a plurality of light-emitting units, an encapsulation layer, an encapsulation substrate and a drive substrate. The light-emitting units are disposed between the encapsulation substrate and the drive substrate. The light-emitting units include main light-emitting units and auxiliary light-emitting units, which are arranged on different layers. The auxiliary light-emitting units are in one-to-one correspondence with at least some of the main light-emitting units. In a direction parallel to an extending direction of the drive substrate and/or the encapsulation substrate, a distance between a center of the main light-emitting unit and a center of the auxiliary light-emitting unit is not greater than twice of a length of a projection of the main light-emitting unit in the extending direction.

Display panel and method of manufacturing the same

The present disclosures provide a driving substrate and a display device. The driving substrate includes a base, a first metal layer and a second metal layer, and a connection layer. The first metal layer includes a first wiring and the second metal layer includes a second wiring. A part of the connection layer extends to the first through hole to form a first conductive hole and another part extends to second through hole to from a second conductive hole. A first conductive hole and a second conductive hole form a group of conductive connection holes. The current path formed by the first conductive hole passing through the connection layer to the corresponding second conductive hole is the intra-group current path, while the current path formed by the first conductive hole passing through the connection layer to the second conductive hole in any other group is the extra-group path.

Driving substrate and display device

An array substrate, a display device, and a fabricating method are disclosed. The array substrate includes a substrate and a thin film transistor disposed on the substrate. The thin film transistor includes a semiconductor layer, and further includes a light-shielding and heat-insulating layer, where the semiconductor layer is disposed above the light-shielding and heat-insulating layer. The light-shielding and heat-insulating layer includes a light-shielding matrix and a flake-shaped cluster structure. The light-shielding matrix includes a porous structure, the porous structure including multiple holes, and the flake-shaped cluster structure is disposed in these holes. The light-shielding and heat-insulating layer is used to shield incident light, and the flake-shaped cluster structure is used to absorb heat generated by the incident light.

Array substrate, display device including a light-shielding and heat-insulating layer in a thin film transistor where the light-shielding and heat-insulating layer includes a light-shielding matrix and an intertwined cluster structure, and fabricating mehtod

A display module and an electronic device are provided. The display module includes a display panel and a backlight module stacked with the display panel. The backlight module includes a back plate, a light-emitting member. The back plate has a bottom wall and a plurality of side walls, the plurality of side walls surround the bottom wall to define an accommodation space. The light-emitting member is accommodated in the accommodation space and carried on the bottom wall, and the light-emitting member is configured to emit visible light. The display module further includes an ultraviolet (UV)-ray emitting assembly. The UV-ray emitting assembly is accommodated in the accommodation space and disposed corresponding to one of plurality of the side walls, and the UV-ray emitting assembly is obliquely disposed with respect to the display panel and configured to emit UV rays to the display panel.

Display module and electronic device

A pixel drive circuit and a display panel are provided in the disclosure. The pixel drive circuit includes a drive transistor, an energy-storage capacitor, a bootstrap capacitor, a pre-charge loop, a data-writing loop, and a light-emitting loop. The energy-storage capacitor has a first terminal coupled with a control terminal of the drive transistor. The bootstrap capacitor has a first terminal coupled with a first coupling terminal of the drive transistor. The pixel drive circuit is configured to charge a voltage at the first terminal of the bootstrap capacitor to reach a value of a drive voltage via the pre-charge loop in a reset phase, and receive a data voltage via the bootstrap capacitor to charge the energy-storage capacitor based on a bootstrap effect of the bootstrap capacitor in a data-writing phase.

Pixel drive circuit and display panel

A light emitting device includes: a first light emitting unit and a second light emitting unit arranged beneath the first light emitting unit. The first light emitting unit and the second light emitting unit are alternately conducted. The first light emitting unit includes: a first cathode, a first electron transport layer, a first luminescent layer, a first hole transport layer, and a first anode arranged sequentially from bottom to top. The second light emitting unit includes: a second anode, a second hole transport layer, a second luminescent layer, a second electron transport layer, and a second cathode arranged sequentially from bottom to top. The first cathode, the first anode, the second cathode, and the second anode are all connected to AC power supplies, respectively.

Light emitting device and method for driving the same, and display panel

Disclosed are a driving substrate and a display panel. The driving substrate is configured to drive a light-emitting unit to emit light and includes a base including a display region, multiple rows of scan lines and multiple data lines arranged on the base, and a scan driving circuit. Multiple pixel regions are defined by the multiple rows of scan lines and the multiple data lines crossing each other longitudinally and horizontally. The pixel regions are located in the display region. Row directions of the multiple pixel regions are substantially parallel to the scan lines. The scan driving circuit is arranged in the display region of the base and includes multiple scan driving units which are cascaded. A same scan driving unit is arranged in pixel regions in at least two rows among the plurality of pixel regions and capable of outputting at least one row of gate scanning signal.

Driving substrate, and display panel

A driving method of a display device and a display device are disclosed. The display device includes multiple scan lines, multiple data lines, and multiple LED lights driven by the multiple scan lines and data lines. The multiple LED lights are arranged in multiple rows and columns. An anode of each LED is connected to the respective scan line. A cathode of each LED is connected to the respective data line. The driving method includes: obtaining a compensated display grayscale corresponding to an LED in an instant row based on a display grayscale of an LED in the previous row, a display grayscale of the LED in the instant row, and a display grayscale compensation table; obtaining corresponding driving parameters according to the compensated display grayscale corresponding to the LED in the instant row; and controlling the LED in the instant row to display according to the driving parameters.

Driving circuit, driving method, and display device

The present disclosure provides a display device and a manufacturing method thereof. The display device includes a display module and a function module. The display module includes a first substrate and a plurality of light emitting units. The plurality of light emitting units are located on a side of the first substrate. A light emitting direction of the light emitting units are oriented towards the first substrate. The function module is located on a surface of the first substrate away from the light emitting units. The function module and the light emitting units share the first substrate. A surface of the function module close to the first substrate is in direct contact with the surface of the first substrate away from the light emitting units.

Display device and manufacturing method thereof

A pixel structure includes: a gate electrode disposed on a base substrate; a gate insulation layer covering the gate electrode; a source electrode, an active region, a drain electrode, a first doped region and a secondary electrode metal layer disposed on an upper surface of the gate insulation layer sequentially; two second doped regions at two ends of an upper surface of the active region; and a passivation layer covering source electrode, a portion of the active region exposed to the second doped regions, the second doped regions, the drain electrode, the first doped region and the secondary electrode metal layer. The passivation layer is provided with a primary pixel electrode and a secondary pixel electrode disposed thereon, the primary pixel electrode is connected to the drain electrode, and the secondary pixel electrode is connected to the secondary electrode metal layer.

Pixel structure, array substrate and fabrication method thereof

The present application relates to an array substrate and a preparation method thereof, and a display device; wherein the array substrate comprises a substrate and a plurality of sub-pixels distributed in an array on the substrate, the sub-pixels comprising M oxide thin film transistors, each oxide thin film transistor comprising a modulation electrode, a gate electrode, a source electrode and a drain electrode arranged in a stack, wherein the modulation electrodes of the M oxide thin film transistors are electrically connected to each other as a modulation layer, and the modulation layer is electrically connected to the gate electrode through N first vias, wherein M and N are both integers, and N<M.

Array substrate and preparation method thereof and display device

Growing community of inventors

Mianyang, China

Rongrong Li