公开(公告)号：US20200066805A1

公开(公告)日：2020-02-27

申请号：US16489789

申请日：2019-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming YANG ,  Minghua XUAN ,  Ning CONG ,  Han YUE ,  Can ZHANG ,  Can WANG ,  Xiaochuan CHEN ,  Shengji YANG ,  Liang CHEN

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00 ,  G06F3/041

Abstract: The present disclosure relates to a display panel and a method of fabricating the same. An organic light emitting diode (OLED) display panel, comprising: a plurality of touch electrodes configured to sense a touch; touch electrode leads electrically connected to the plurality of touch electrodes; and OLED devices each comprising a cathode and a functional layer having a via-hole; wherein, the plurality of touch electrodes function as cathodes of the OLED devices, and are electrically connected to the touch electrode leads through the via-holes.

公开(公告)号：US20200043417A1

公开(公告)日：2020-02-06

申请号：US15738853

申请日：2017-06-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Can ZHANG ,  Wei SUN ,  Lingyun SHI

IPC: G09G3/3266 ,  G06K9/00 ,  G09G3/3291

Abstract: A pixel driving circuit and a method for driving the same, a display substrate and a display device are provided. The pixel driving circuit includes a display driving unit and a fingerprint identification unit. The display driving unit includes a driving transistor, a display storage sub-circuit, a data writing sub-circuit, a light-emitting control sub-circuit and a compensation control sub-circuit. The fingerprint identification unit includes a fingerprint detection sub-circuit and a conduction control sub-circuit. The fingerprint detection sub-circuit is configured to convert touch fingerprint information to a fingerprint current signal. The conduction control sub-circuit is configured to, during the light-emitting phase and in response to the second scanning signal, transmit the fingerprint current signal to the fingerprint current signal reading line.

公开(公告)号：US20200035756A1

公开(公告)日：2020-01-30

申请号：US15735849

申请日：2017-06-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Can ZHANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  G06F3/041 ,  G06F3/044

Abstract: An OLED touch display substrate, an OLED touch display panel, a display device and a control method thereof are provided. The OLED touch display substrate includes an anode, a cathode and a functional layer arranged on a base substrate. The cathode includes sub-cathodes, a time period for displaying one image frame of the OLED touch display substrate includes a display time period and a touch time period, and the sub-cathodes further serve as touch electrodes. The touch display substrate further includes touch signal lines electrically connected to the touch electrodes. Within the display time period, a common voltage signal is applied to each touch electrode via the respective touch signal line. Within the touch time period, a touch scanning signal is applied to each touch electrode via the respective touch signal line, and it is detected whether or not a self-capacitance of the touch electrode changes.

公开(公告)号：US20200020274A1

公开(公告)日：2020-01-16

申请号：US16450288

申请日：2019-06-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Minghua XUAN ,  Ning CONG ,  Ming YANG ,  Can ZHANG ,  Can WANG ,  Xiaochuan CHEN

IPC: G09G3/32

Abstract: A grayscale adjustment circuit, a driving method thereof and a display device are provided. The circuit includes: an input sub-circuit configured to output a signal of a data signal terminal to a driving sub-circuit under a control of the scanning signal terminal, the driving sub-circuit configured to store an output signal of the input sub-circuit and output a signal of the first voltage terminal to a switching control sub-circuit under a control of the output signal of the input sub-circuit, a switching time control sub-circuit configured to output a signal of each switching time signal terminal to the switching control sub-circuit under a control of each switching time control terminal, the switching control sub-circuit configured to output an output signal of the driving sub-circuit to the light-emitting sub-circuit under a control of an output signal of the switching time control sub-circuit to control the light-emitting sub-circuit to emit light.

公开(公告)号：US20190088726A1

公开(公告)日：2019-03-21

申请号：US15742350

申请日：2017-06-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light-emitting diode (OLED) display panel, a manufacturing method thereof and a display device are provided. The OLED display panel includes: a base substrate; and a pixel define layer (PDL) and a first electrode provided on the base substrate. The PDL includes at least one opening region corresponding to subpixels of the OLED display panel and a pixel spacer around the opening region; and a metal layer is provided on the pixel spacer and electrically connected with the first electrode. The metal layer is electrically connected with the first electrode.

公开(公告)号：US20180364505A1

公开(公告)日：2018-12-20

申请号：US15737007

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng TAN ,  Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jian GAO ,  Can WANG ,  Can ZHANG ,  Xinli MA ,  Xiandong MENG ,  Xianqin MENG ,  Dacheng ZHANG

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/13363

Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating layer and the refractive index of the liquid crystal layer.

公开(公告)号：US20180217389A1

公开(公告)日：2018-08-02

申请号：US15749494

申请日：2017-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Xinli MA ,  Can ZHANG ,  Can WANG ,  Jian GAO ,  Qian WANG

IPC: G02B27/22 ,  G02B5/20

CPC classification number: G02B27/22 ,  G02B5/1819 ,  G02B5/201 ,  G02B27/4205 ,  H04N2213/001

Abstract: The present disclosure provides a display device. The display device comprises a display panel and a grating layer, wherein along a direction pointing from a center of a left-eye field-of-view central area of the display device to a non left-eye field-of-view central area of the display device, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually; along a direction pointing from a center of a right-eye field-of-view central area of the display device to a non right-eye field-of-view central area of the display device, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.

公开(公告)号：US20180217306A1

公开(公告)日：2018-08-02

申请号：US15568068

申请日：2017-04-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Jian GAO ,  Can WANG ,  Xinli MA ,  Can ZHANG ,  Qian WANG

IPC: G02B5/18

CPC classification number: G02B5/1819 ,  G02B5/1842 ,  G02B5/1871 ,  G02B5/201 ,  G02F1/1335 ,  G02F1/133504 ,  G02F2201/52

Abstract: A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.

公开(公告)号：US20170162635A1

公开(公告)日：2017-06-08

申请号：US15025997

申请日：2015-11-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yifan YANG ,  Can ZHANG ,  Chao KONG

IPC: H01L27/32 ,  H01L27/28 ,  G09G3/3208 ,  H01L51/00

CPC classification number: H01L27/3227 ,  G09G3/3208 ,  G09G2320/0646 ,  G09G2330/021 ,  H01L27/288 ,  H01L27/3293 ,  H01L51/0096

Abstract: Provided are an Organic Light Emitting Diode (OLED) substrate and an OLED device. The OLED substrate includes: a transparent substrate, and a light emitting unit and a photoelectric conversion unit provided on the transparent substrate. The transparent substrate has an upper surface, a lower surface opposite to the upper surface, and a lateral surface. The light emitting unit is provided on the upper surface of the transparent substrate. The photoelectric conversion unit is provided on the lateral surface of the transparent substrate for absorbing light transmitted through the lateral surface of the transparent substrate and converting the absorbed light into electric energy through photoelectric conversion.

公开(公告)号：US20160247864A1

公开(公告)日：2016-08-25

申请号：US14768565

申请日：2014-10-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can ZHANG

IPC: H01L27/32

CPC classification number: H01L27/3258 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/326 ,  H01L27/3262 ,  H01L51/0545 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic electroluminescent device and a manufacturing method thereof, a display apparatus are provided. The organic electroluminescent device includes a plurality of pixel units in an array form. Each of the pixel units includes a light emitting region and a transparent region, and each of the pixel units includes: a base substrate (1); a thin film transistor switch (2); a planarizing layer (3), a first electrode (4), a pixel defining layer (5), an organic layer (6) and a second electrode (7), disposed at a side of the thin film transistor switch (2) facing away from the base substrate (1) in this order. The first electrode (4) is positioned in the light emitting region (A) of the pixel unit; and at least one of the planarizing layer (3) and the pixel defining layer (5) is only disposed within the light emitting region (A) of the pixel unit. With the above organic electroluminescent device, transmittance of the transmissive region of each pixel unit is enhanced.

Abstract translation: 一种有机电致发光器件及其制造方法，提供一种显示装置。 有机电致发光器件包括阵列形式的多个像素单元。 每个像素单元包括发光区域和透明区域，并且每个像素单元包括：基底（1）; 薄膜晶体管开关（2）; 平面化层（3），第一电极（4），像素限定层（5），有机层（6）和第二电极（7），设置在薄膜晶体管开关 远离基底（1）。 第一电极（4）位于像素单元的发光区域（A）中; 并且平坦化层（3）和像素限定层（5）中的至少一个仅设置在像素单元的发光区域（A）内。 利用上述有机电致发光器件，增强了每个像素单元的透射区域的透射率。