Abstract: A pixel correction circuit includes a signal input circuit, a follower and a reading circuit. The signal input circuit is used to apply a first signal and a second signal to the follower in a correction mode. An input terminal of the follower is coupled to the signal input circuit. The follower is used to receive the first signal and the second signal sequentially, output a first follow-up signal dependent on the first signal, and output a second follow-up signal dependent on the second signal. The reading circuit is coupled to an output terminal of the follower, and reads the first follow-up signal and then generates a first read signal, and reads the second follow-up signal and then generates a second read signal. The reading circuit uses the first signal, the second signal, the first read signal and the second read signal to calculate a compensation gain.
Abstract: A light control device for a vehicle, includes a distance detector and at least one controllable polarizer. The distance detector detects the distance between a first vehicle in which the distance detector is located and an interference light source. The at least one controllable polarizer is configured to perform a polarization process on light to weaken the intensity of the light when the distance between the interference light source and the first vehicle is within a predetermined range; otherwise stop the polarization process on the light.
November 10, 2017
July 4, 2019
BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
Abstract: The present disclosure relates to the field of display technology, and provides an electronic paper, a manufacturing method thereof, and a handwriting electronic paper device. The electronic paper includes: a first electrode; a second transparent electrode arranged opposite to the first electrode and at a display side of the electronic paper; and an electronic ink layer arranged between the first electrode and the second transparent electrode. Microcapsules are distributed in the electronic ink layer, and each microcapsule is provided therein with charged magnetic particles which are capable of being used to display at least one color.
Abstract: An encapsulation method of an organic light emitting diode, an organic light emitting diode encapsulation structure and an organic light emitting diode display apparatus are provided. The encapsulation method includes: providing an encapsulation cover plate and a base substrate with an organic light emitting diode device; forming a first sealant of the encapsulation cover plate, in which the first sealant includes a plurality of protrusion portions spaced apart with each other; forming a second sealant on the encapsulation cover plate, in which the second sealant includes a plurality of protrusion portions and a height of each of the plurality of protrusion portions of the second sealant is greater than a height of each of the plurality of protrusion portions of the first sealant; and bonding the encapsulation cover plate and the base substrate, in which the second sealant covers the organic light emitting diode device and the first sealant.
Abstract: Embodiments of the present disclosure disclose a display apparatus, an electroluminescent display panel and a method of acquiring and displaying an image by the display apparatus. The display apparatus includes an electroluminescent display panel; and a camera. The electroluminescent display panel includes: a substrate; and a plurality of pixel units disposed in a display area on the substrate and each including at least two sub-pixels. The display area has an image acquiring region including the sub-pixels, at least one of the sub-pixels in the image acquiring region has an opaque display zone and a transparent zone, and the camera is disposed on a side, facing away from the pixel units, of the substrate of the electroluminescent display panel.
Abstract: An earphone, an earphone control method and device are provided, the earphone control device includes an echo collection module, a state determination module and a control module, where the echo collection module includes at least one acoustic sensor, which is arranged in a space defined by an earphone and an ear canal, when the earphone is worn, for collecting a sound in the space, where the echo collection module is configured to collect the sound, convert the sound into a first audio signal, and output the first audio signal to the state determination module; the state determination module is configured to determine a wearing state of the earphone according to the first audio signal; and the control module is configured to perform playing control according to the wearing state of the earphone.
Abstract: The present disclosure discloses a quantum-dot display substrate, a method for preparing the same, and a display panel. The quantum-dot display substrate includes a substrate and a plurality of light emitting sub-pixels disposed on the substrate, in which each of the light emitting sub-pixels includes a quantum-dot light emitting layer, and the quantum-dot light emitting layer includes a crosslinked network formed by crosslinking quantum dots having a crosslinkable ligand with a crosslinking agent.
Abstract: An integrated front light assembly, a manufacturing method thereof and a reflective display device are disclosed. The integrated front light assembly includes a protective substrate; a touch-control layer disposed on the protective substrate; a light guide layer disposed on the touch-control layer; and a light source disposed on at least one side of the light guide layer. The reflective display device comprises a display panel and the integrated front light assembly. In this way, a thickness of the reflective display device can be reduced and a display effect of the reflective display device can be improved.
November 27, 2015
Date of Patent:
July 2, 2019
BOE Technology Group Co., Ltd.
Long Wang, Guangkui Qin, Fangzhen Zhang, Xiaoling Xu, Chun Wei Wu, Yanfeng Wang, Li Zhou
Abstract: A mask frame assembly, an evaporation method and an array substrate are provided. The mask frame assembly according to the disclosure includes a frame, a covering mask and at least two evaporation masks, the evaporation masks are sequentially arranged on the frame with a gap between two adjacent evaporation masks. A first groove is arranged at a location corresponding to the gap in the frame. The first groove includes a first groove welding portion and a first groove weldless portion, the evaporation mask includes a first evaporation sub-mask corresponding to the first groove welding portion and a second evaporation sub-mask corresponding to the first groove weldless portion; and an edge of the first evaporation sub-mask and an edge of the first groove welding portion coincide.
Abstract: An array substrate and a display device are provided for solving a problem of drift of an I-V curve of a thin film transistor because the oxide active layer is irradiated with light in the prior art. The array substrate includes a plurality of thin film transistors arranged in an array, wherein, each of the thin film transistors includes an oxide active layer, and the array substrate further includes a light absorption layer provided above the oxide active layer, the light absorption layer is used for absorbing light irradiated thereon, and an orthographic projection of the light absorption layer on the oxide active layer at least partly covers an active region of the oxide active layer.
Abstract: The disclosure provides a palmprint recognition circuit based on a LTPS technology, a palmprint recognition method and a display screen. The palmprint recognition circuit comprises an optical signal collecting unit, configured to collect an optical signal indicating a palmprint information and convert the collected optical signal into a current signal; a current signal amplifying unit, configured to amplify the converted current signal; and a current signal detecting unit, and configured to detect an intensity of the amplified current signal which indicates a ridge line or a valley line of the palmprint in the palmprint information. Therefore, it can solve the problem of having no palmprint recognition circuit and method for a LTPS-TFT display panel. This can eliminate an influence of a change of parasitic capacitance on the recognition result, wherein the change of parasitic capacitance is caused by a change of a wiring manner in the circuit.
Abstract: An array substrate, a display device and a driving method thereof are provided. The array substrate includes a base substrate, a driver provided on the base substrate, a plurality of gate lines and a plurality of gate line overlap parts, each of the gate line overlap parts has a portion which overlaps a corresponding gate line of the gate lines in a direction perpendicular to the base substrate; the driver is connected with the plurality of the gate line overlap parts and is configured to, at one or both of a time when a potential of the gate line is changed from a turn-on potential to a turn-off potential and a time from the turn-off potential to the turn-on potential, make the gate line overlap part in a floating state, or make the potential of the gate line overlap part equal to the changed potential.
Abstract: The embodiments of the invention disclose an array substrate, a manufacturing method thereof and a display device. Due to the fact that the surfaces of a source electrode, a drain electrode and a data line which are arranged on the same layer are provided with an oxide film which is formed after annealing treatment is conducted on the source electrode, the drain electrode and the data line, in the process that the pattern of a pixel electrode is formed on the source electrode, the drain electrode and the data line by the adoption of a composition technology, the oxide film can protect the source electrode and the data line under the oxide film from being corroded by an etching agent when the pattern of the pixel electrode is formed by etching, and the display quality of a display panel will not be affected.
July 11, 2014
Date of Patent:
July 2, 2019
BOE TECHNOLOGY GROUP CO., LTD.
Seungjin Choi, Heecheol Kim, Youngsuk Song, Seongyeol Yoo
Abstract: The present disclosure relates to a fingerprint identification component and a display apparatus, which belongs to the field of fingerprint identification. The fingerprint identification component includes: a thin film transistor TFT array and a photovoltaic device array, the TFT array including a plurality of TFTs, the photovoltaic device array including a plurality of photovoltaic devices, the plurality of TFTs in the TFT array and the plurality of optoelectronic devices in the photovoltaic device array correspond to each other one by one, and each TFT in the TFT array is electrically connected to a corresponding photovoltaic device; and SG lines of any adjacent two TFTs in the TFT array do not coincide with each other, the SG line is a line where a center of a source electrode and a center of a drain electrode of the any one TFT are located.
Abstract: An integrated circuit element and a fabrication method thereof, a circuit board, a display panel and a display device are provided, to reduce space occupied by the integrated circuit element and facilitate achieving intelligent transparent display by arranging the integrated circuit element in a display. The integrated circuit element includes a base plate, and a bare integrated circuit chip and multiple connection parts arranged on the base plate. The bare integrated circuit chip includes multiple connection points that are respectively electrically connected to the multiple connection parts.
Abstract: An in-cell touch panel and a display device are disclosed, in the in-cell touch panel, each of the self-capacitance electrodes includes a plurality of self-capacitance sub-electrodes which are insulated from each other and connecting lines for connecting the self-capacitance sub-electrodes; an orthographic projection on the first substrate of each self-capacitance sub-electrode does not overlap with an orthographic projection on the first substrate of each gate line; and/or an orthographic projection on the first substrate of each self-capacitance sub-electrode does not overlap with an orthographic projection on the first substrate of each data line. Thus, there is almost no overlapping area between the self-capacitance electrodes and the gate lines and/or there is almost no overlapping area between the self-capacitance electrodes and the data lines, thus there is almost no overlapping capacitance.
Abstract: Disclosed are a chip on film and a display device. the chip on film includes a plurality of output pads independent from each other extending in the first direction on a side of a base material; correspondingly, a flexible display panel in the display device includes a plurality of input pads in one-to-one correspondance with output pads extending in the first direction in the bonding region. The chip on film can improve the bonding yield and stability of the display device.
Abstract: A method of manufacturing a thin-film transistor (TFT) array substrate, including: forming a gate layer, a gate insulating layer, an oxide semiconductor layer, a source/drain electrode layer and a pixel electrode layer on a base substrate. The step of forming the source/drain electrode layer and the pixel electrode layer includes: forming a transparent conductive film and a first metallic film on the oxide semiconductor layer in sequence, to form a stack layer of the transparent conductive film and the first metallic film, in which the transparent conductive film contacts the oxide semiconductor layer; and forming source electrodes, drain electrodes and pixel electrodes by a single patterning process on the stack layer of the transparent conductive film and the first metallic film. One patterning process is saved, the production time is shortened, and the production cost is reduced.
Abstract: An array substrate and a manufacturing method thereof and a display device are disclosed. The array substrate includes a base substrate, and a color filter layer, a common electrode and a black matrix disposed on the base substrate, the black matrix is capable of conducting electricity, and the black matrix is electrically connected with the common electrode. The array substrate can reduce parasitic capacitance, and decrease power consumption.
Abstract: The present disclosure provides a method for manufacturing a mask plate assembly, which includes providing a mask plate and a frame and securing the mask plate to the frame. The secured mask plate comprises a redundant portion extending out of the frame. The method further comprises removing at least a part of the redundant portion, and dispensing glue in a predetermined area of a surface of the mask plate, and curing the glue to form a colloid, wherein the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides a mask plate assembly comprising a frame, and a mask plate secured to the frame, wherein a colloid is formed in a predetermined area of a surface of the mask plate, and the colloid is higher than any other area on the surface of the mask plate where the colloid is not formed. The present disclosure further provides an evaporation device and a method for manufacturing the display substrate.