Yingming Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A display substrate, a method for manufacturing the display substrate, a fingerprint recognition device and a display device are provided. The display substrate includes a base substrate, a black matrix sensor provided on the base substrate and a plurality of functional sensors which are spaced apart from each other, the black matrix sensor blocks at least visible light and includes a plurality of first extension portions and a plurality of second extension portions, and the first extension portions intersect the second extension portions to form a plurality of hollow regions. Orthographic projections of the functional sensors on the black matrix sensor are within the region where the black matrix sensor is located.
Abstract: A pixel circuit and a drive method thereof and a display panel are provided. The pixel circuit includes a light-emitting element, a light-emitting control circuit and a photoelectric sense circuit. The light-emitting control circuit is configured to drive the light-emitting element to emit light and includes a first end, a second end and a third end; the first end is connected with a first power supply terminal, and the second end is connected with one end of the light-emitting element. Other end of the light-emitting element is connected with a second power supply terminal. The photoelectric sense circuit is configured to sense light incident thereon and includes a sense signal output end and a sense voltage input end, the sense voltage input end is connected with the second power supply terminal, and the sense signal output end is connected with the third end of the light-emitting control circuit.
Abstract: An in-cell touch panel and a display device are provided, and the in-cell touch panel includes: an upper substrate and a lower substrate arranged oppositely to each other; a plurality of self-capacitance electrodes arranged in a same layer and insulated from each other at a side, facing the lower substrate, of the upper substrate or a side, facing the upper substrate, of the lower substrate; a shielding electrode provided at a side, facing the lower substrate, of each of the self-capacitance electrodes, which is insulated from the shielding electrode; and an insulating layer arranged between each of the self-capacitance electrodes and the shielding electrode. Such an in-cell touch panel may isolate the touch detection signals applied to the self-capacitance electrodes from the display signals, so as to avoid mutual interference therebetween.
Abstract: A smart cooling system is disclosed. The smart cooling system includes: a cooling system body and a temperature sensing module, a touch display module and a control module. The cooling system body includes a carrier and a gel layer located on the carrier. The temperature sensing module, the touch display module and the control module are fixed on the carrier. A sensing surface of the temperature sensing module and a surface of the gel layer away from the carrier are in a same plane, for sensing temperature of forehead. The control module is used for obtaining a sensed temperature and transmitting the sensed temperature to the touch display module. A screen of the touch display module is located on a surface of the carrier away from the gel layer.
Abstract: A method of detecting a texture includes: in each of a plurality of time periods included in a texture detection phase, forming a light-shielding region in a light transmitting hole forming layer, wherein the light-shielding region only includes a part of a plurality of light transmitting holes, and imaging regions of a texture to be detected on a photosensitive sensing layer through the light transmitting hole forming layer do not overlap; in different time periods of the plurality of time periods, positions of parts of the plurality of light transmitting holes included in the light-shielding regions are different; and splicing images of the texture to be detected formed on the photosensitive sensing layer in the plurality of time periods together.
January 30, 2018
September 5, 2019
Xiaoliang DING, Haisheng WANG, Chun Wei WU, Yingming LIU, Rui XU, Wei LIU
Abstract: Disclosed are a 3D (three-dimensional) touch interaction device, a touch interaction method thereof, and a display device. The 3D touch interaction device includes at least one display panel, at least one image acquiring device, at least one distance detector, and a controller. A position of the human hand in a 3D space is acquired through the image acquiring device and the distance detector, and is output to the controller, so as to improve the space positioning precision of the 3D touch interaction device; in this way, the controller can accomplish a touch operation according to the gesture recognized by the image acquiring device upon determining that the 3D coordinate range of the human hand and the 3D coordinate range of the 3D image have an intersection point.
September 26, 2017
August 29, 2019
BOE TECHNOLOGY GROUP CO., LTD.
Chih-Jen CHENG, Haisheng WANG, Chun Wei WU, Xiaoliang DING, Yanling HAN, Yuzhen GUO, Yingming LIU
Abstract: Examples of the disclosure provide an OLED touch display panel, a display device and a method for delecting a touch operation zone, relate to the field of touch display, and may achieve an incell touch display panel. The display panel has an OLED component, which comprises a first electrode; a piezoresisiive material layer, which is above the first electrode of the OLED component; a touch electrode layer, which is above the piezoresistive material layer; and a first stripe electrode, a second stripe electrode, a third stripe electrode and a fourth stripe electrode, which are provided above the touch electrode layer and not contacted with each other.
Abstract: A display panel, a display device and an image pickup method therefor are provided. The display panel includes a display region and an image pickup apparatus, wherein in a plan view of the display panel, at least a portion of the image pickup apparatus is located in the display region.
Abstract: Embodiments of the present disclosure provide a device and a method for detecting a light intensity. The device includes a photosensor, an input circuit, an amplification circuit, a feedback circuit, a storage circuit, and an output circuit. The photosensor is coupled to a first voltage signal terminal and a first node. The input circuit provides a first voltage signal to the first node according to an input signal. The amplification circuit provides, to a second node, a second voltage signal from a second voltage signal terminal according to the voltage of the first node. The feedback circuit couples the first node to the second node according to a reset signal. The storage circuit stores a voltage difference between the first node and the second node. The output circuit reads the voltage of the second node according to a read signal.
Abstract: The present disclosure relates to display technology and discloses a present disclosure and a display device. The linear polarizer includes a base plate and a plurality of shading stripes equally spaced in parallel on the base plate, with a transparent stripe formed between every two shading stripes adjacent to each other, wherein the shading stripes are made of a conductive material; at least a portion of the shading stripes are also configured to detect touch position.
Abstract: A touch substrate includes a first transparent electrode layer, a transparent flexible dielectric layer and a second transparent electrode layer. The first transparent electrode layer comprises first touch detection electrodes arranged in an array and insulated from each other. During the touch detection period, a first touch detection signal is loaded simultaneously to the first and second transparent electrode layer, and the touch position can be determined by detecting a change in the capacitance value of each of the first touch detection electrodes. During the pressure detection period, a second touch detection signal may be loaded to one of the first transparent electrode layer and the second transparent electrode layer, and the pressure in the z direction perpendicular to the surface of the touch screen can be determined by detecting a change in the capacitance value between each of the first touch detection electrodes and the second transparent electrode layer.
Abstract: A collimating structure, a method for fabricating the same and a display device are provided. The collimating structure includes a plurality of light-shielding layers with light-transmitting parts, and the distances between the respective light-shielding layers are adjusted using light-transmitting layers to thereby achieve a desirable depth-to-width ratio of a column of holes so as to define a light convergence angle of the collimating structure. At least one intermediate light-shielding layer is arranged between the top light-shielding layer and the bottom light-shielding layer, and the distances between the respective light-shielding layers are adjusted using the light-transmitting layers, so that crosstalk between light of the light-transmitting parts can be shielded to thereby improve the accuracy of recognized information about texture.
Abstract: There are disclosed a device and method for recognizing a gesture, and a display device, so as to recognize a gesture on a 3D display. A device for recognizing a gesture according to the present disclosure includes: a depth-of-focus position recognizer configured to recognize a depth-of-focus position of a gesture of a user; and a gesture recognizer configured to recognize the gesture according to the depth-of-focus position of the gesture of the user and a 3D display image.
Abstract: A touch panel, a method of driving a touch panel, and a touch device are provided. The touch panel includes a first detection electrode, a piezoelectric material layer and a position touch structure. The piezoelectric material layer is on the first detection electrode. The position touch structure comprises a touch electrode or a plurality of touch electrodes and is on the piezoelectric material layer. The touch electrode or at least one of the plurality of touch electrodes is configured to function as a second detection electrode as well, and the second detection electrode together with the piezoelectric material layer and the first detection electrode constitutes a piezoelectric sensing structure for implementing a touch pressure detection.
Abstract: A touch display substrate, a touch display device, and a control method thereof are provided. The touch display substrate includes first electrodes on a base substrate and independent from each other, wherein each of the first electrodes is used as an electrode used for display in a display stage, is used as a touch electrode in a touch time stage and is used as a first pressure sensitive electrode in a pressure detection stage; pressure sensitive electrodes corresponding to the first electrodes on the base substrate; and a piezoelectric layer between the first electrodes and the second pressure sensitive electrodes.
Abstract: The present disclosure provides an in-cell touch screen, a manufacturing method thereof, and a display apparatus. The touch screen comprises a pixel region disposed over a base substrate. The pixel region is surrounded by a first barrier, which is configured to insulate the pixel region. The pixel region includes a first electrode; a light-emitting layer, disposed over the first electrode; and a second electrode, disposed over the light-emitting layer. The second electrode expands over an opening of the first barrier so as to be able to electrically connect with a third electrode outside the pixel region.
Abstract: A microfluidic system includes a liquid drop accommodation space, an array of photosensitivity detection circuits and an array of driving circuits between an upper substrate and a lower substrate. Each photosensitivity detection circuit includes a photosensitive transistor and a first gating transistor. The photosensitive transistor has a gate electrode coupled to a first scan signal line, a source electrode coupled to a first power supply voltage signal line, and a drain electrode coupled to a source electrode of the first gating transistor. The first gating transistor has a gate electrode coupled to a second scan signal line, and a drain electrode coupled to a read signal line. Each driving circuit includes a driving transistor and a driving electrode. The driving transistor has a gate electrode coupled to a third scan signal line, a source electrode coupled to a data signal line, and a drain electrode coupled to the driving electrode.
Abstract: Embodiments of the present disclosure provide a current amplification circuitry and a driving method thereof, and a fingerprint detection device. The current amplification circuitry includes a voltage control circuit, a plurality of first current amplification circuits, and a second current amplification circuit. The voltage control circuit provides a voltage control signal to the plurality of first current amplification circuits. The first current amplification circuit includes a current mirror, and the current mirror is coupled to a voltage input terminal, the voltage control circuit, and a first input terminal of the second current amplification circuit. The first current amplification circuit amplifies a current from the voltage input terminal according to the voltage control signal provided by the voltage control circuit, and provides the amplified current to the second current amplification circuit.
Abstract: Disclosed are an optical fingerprint identification device and a display panel including the same. The optical fingerprint identification device includes a light emitting structure and a photosensitive sensor. The light emitting structure includes a transparent first electrode, an opaque second electrode, an electroluminescent layer between the first electrode and the second electrode, and a through hole penetrating the first electrode, the electroluminescent layer and the second electrode. The photosensitive sensor is disposed on a side of the second electrode facing away from the electroluminescent layer, and is configured to receive light rays transmitted through the through hole and acquire fingerprint information according to the received light rays.
Abstract: A polarizer and a display device, which relates to a display technology is provided. The polarizer is divided into a plurality of pattern regions arranged in a two-dimensional direction. The polarizer includes a linear polarization pattern and a touch sensing electrode disposed in the pattern region. The touch sensing electrodes in the different pattern regions are not connected. Polarization pattern and touch sensing electrode are set in the same layer.