Patents by Inventor Chieh-Hsing CHUNG
Chieh-Hsing CHUNG 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).
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Patent number: 11302260Abstract: A signal processing circuit and a driving method thereof, a display panel and a driving method thereof, and a display device are disclosed. The signal processing circuit includes a shunting circuit and N buffer circuits. The shunting circuit includes N output nodes, the N buffer circuits are respectively connected with the N output nodes. The shunting circuit is configured to output input signals to the N output nodes respectively at N different time points in response to control signals. Each of the N buffer circuits is configured to buffer and output the input signal received by a corresponding output node. N is an integer great than or equal to 2.Type: GrantFiled: November 13, 2018Date of Patent: April 12, 2022Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Chieh Hsing Chung
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Patent number: 11271047Abstract: Provided are an OLED display substrate (100) and an OLED display device, in the field of display device. The OLED display substrate (100) includes a plurality of pixels, and each of the pixels includes two sub-pixels. The two sub-pixels include a first sub-pixel (210) and a second sub-pixel (220). The first sub-pixel (210) includes a first light-emitting unit (211) and a second light-emitting unit (212) that are stacked; the second sub-pixel (220) includes a third light-emitting unit (213); and the first light-emitting unit (211), the second light-emitting unit (212) and the third light-emitting unit (213) are configured to emit lights with different colors. Under the same resolution, the aperture ratio of the OLED display substrate (100) may be increased. Alternatively, under the same size of sub-pixels, the resolution of the OLED display substrate (100) may be increased. Therefore, the brightness uniformity and display effect of the OLED display panel are improved.Type: GrantFiled: December 15, 2017Date of Patent: March 8, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Boris Kristal, Chieh Hsing Chung
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Publication number: 20210335272Abstract: A signal processing circuit and a driving method thereof, a display panel and a driving method thereof, and a display device are disclosed. The signal processing circuit includes a shunting circuit and N buffer circuits. The shunting circuit includes N output nodes, the N buffer circuits are respectively connected with the N output nodes. The shunting circuit is configured to output input signals to the N output nodes respectively at N different time points in response to control signals. Each of the N buffer circuits is configured to buffer and output the input signal received by a corresponding output node. N is an integer great than or equal to 2.Type: ApplicationFiled: November 13, 2018Publication date: October 28, 2021Inventor: Chieh Hsing CHUNG
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Patent number: 11088296Abstract: A light-emitting diode (LED) substrate and a manufacturing method thereof, and a display device are provided. The LED substrate includes a receiving substrate, the receiving substrate is provided thereon with a pixel definition layer and a plurality of LED units, the pixel definition layer defines a plurality of sub-pixel regions, each of the plurality of sub-pixel regions is configured to receive at least one of the plurality of LED units, and a solder point and an auxiliary metal member are both provided in the sub-pixel region, the auxiliary metal member is provided at a periphery of the solder point, an interval is provided between the solder point and the auxiliary metal member in a plan view of the receiving substrate, and a melting point of the auxiliary metal member is higher than a melting point of the solder point.Type: GrantFiled: July 10, 2019Date of Patent: August 10, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Long Wang, Yanzhao Li, Chieh Hsing Chung, Jie Sun
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Publication number: 20210202599Abstract: Provided are an OLED display substrate (100) and an OLED display device, in the field of display device. The OLED display substrate (100) includes a plurality of pixels, and each of the pixels includes two sub-pixels. The two sub-pixels include a first sub-pixel (210) and a second sub-pixel (220). The first sub-pixel (210) includes a first light-emitting unit (211) and a second light-emitting unit (212) that are stacked; the second sub-pixel (220) includes a third light-emitting unit (213); and the first light-emitting unit (211), the second light-emitting unit (212) and the third light-emitting unit (213) are configured to emit lights with different colors. Under the same resolution, the aperture ratio of the OLED display substrate (100) may be increased. Alternatively, under the same size of sub-pixels, the resolution of the OLED display substrate (100) may be increased. Therefore, the brightness uniformity and display effect of the OLED display panel are improved.Type: ApplicationFiled: December 15, 2017Publication date: July 1, 2021Inventors: Boris Kristal, Chieh Hsing Chung
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Patent number: 10651429Abstract: An organic light-emitting diode (OLED) illuminating lamp sheet and a manufacturing method thereof are provided. The method for manufacturing an OLED illuminating lamp sheet includes: manufacturing an array substrate, the array substrate includes a first base and a first electrode formed on the first base; bonding an electrostatic film to a surface of the array substrate provided with the first electrode, forming a patterned electrostatic film by patterning the electrostatic film, and forming an organic film layer by taking the patterned electrostatic film as a mask; forming a second electrode and obtaining an OLED element; and encapsulating the OLED element and obtaining an OLED illuminating lamp sheet.Type: GrantFiled: April 12, 2017Date of Patent: May 12, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Sun, Chung Chun Lee, Chieh Hsing Chung
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Patent number: 10505115Abstract: Embodiments of the present disclosure relate to a quantum dot light emitting diode subpixel array, a method for manufacturing the same, and a display device. The method for manufacturing the quantum dot light emitting diode subpixel array according to embodiments of the present disclosure comprises a quantum dot accepting layer forming step of forming a quantum dot accepting layer on a substrate; a thermosensitive quantum dot material layer applying step of applying a thermosensitive quantum dot material layer containing a thermosensitive organic ligand on the quantum dot accepting layer; and a thermosensitive quantum dot material transferring step of subjecting the organic ligand of the thermosensitive quantum dot material in a predetermined area of the thermosensitive quantum dot material layer to a chemical reaction by heating such that the thermosensitive quantum dot material in the predetermined area is transferred onto a corresponding subpixel region on the quantum dot accepting layer.Type: GrantFiled: September 20, 2016Date of Patent: December 10, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Yanzhao Li, Boris Kristal, Chieh Hsing Chung, Long Wang, Zhuo Chen
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Publication number: 20190334057Abstract: A light-emitting diode (LED) substrate and a manufacturing method thereof, and a display device are provided. The LED substrate includes a receiving substrate, the receiving substrate is provided thereon with a pixel definition layer and a plurality of LED units, the pixel definition layer defines a plurality of sub-pixel regions, each of the plurality of sub-pixel regions is configured to receive at least one of the plurality of LED units, and a solder point and an auxiliary metal member are both provided in the sub-pixel region, the auxiliary metal member is provided at a periphery of the solder point, an interval is provided between the solder point and the auxiliary metal member in a plan view of the receiving substrate, and a melting point of the auxiliary metal member is higher than a melting point of the solder point.Type: ApplicationFiled: July 10, 2019Publication date: October 31, 2019Inventors: Long Wang, Yanzhao Li, Chieh Hsing Chung, Jie Sun
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Patent number: 10396237Abstract: A light-emitting diode substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method of a light-emitting diode (LED) substrate, including: disposing a supporting substrate supporting a plurality of LED units to be opposed to a receiving substrate so that a side of the supporting substrate facing the receiving substrate supports the plurality of LED units; and irradiating a side of the supporting substrate away from the receiving substrate with laser, stripping the LED units from the supporting substrate, and transferring the LED units onto the receiving substrate. The manufacturing method of the LED substrate can better transfer LED units from the supporting substrate onto the receiving substrate.Type: GrantFiled: January 6, 2017Date of Patent: August 27, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Long Wang, Yanzhao Li, Chieh Hsing Chung, Jie Sun
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Publication number: 20190223736Abstract: A blood pressure measuring device, including a wristband, a control system, and a pressure sensing device, wherein the pressure sensing device is provided on the wristband; the control system is electrically coupled to the pressure sensing device; the pressure sensing device is configured to receive a pressure generated by skin surface and to generated an electrical signal; and the control system is configured to receive the electrical signal and to convert the electrical signal into a pulse wave, and to acquire a blood pressure value based on the pulse wave.Type: ApplicationFiled: May 18, 2018Publication date: July 25, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Long WANG, Chieh Hsing CHUNG, Feng JIANG, Yanzhao LI
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Publication number: 20190051866Abstract: An organic light-emitting diode (OLED) illuminating lamp sheet and a manufacturing method thereof are provided. The method for manufacturing an OLED illuminating lamp sheet includes: manufacturing an array substrate, the array substrate includes a first base and a first electrode formed on the first base; bonding an electrostatic film to a surface of the array substrate provided with the first electrode, forming a patterned electrostatic film by patterning the electrostatic film, and forming an organic film layer by taking the patterned electrostatic film as a mask; forming a second electrode and obtaining an OLED element; and encapsulating the OLED element and obtaining an OLED illuminating lamp sheet.Type: ApplicationFiled: April 12, 2017Publication date: February 14, 2019Inventors: Jie SUN, Chung Chun LEE, Chieh Hsing CHUNG
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Publication number: 20180219123Abstract: A light-emitting diode substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method of a light-emitting diode (LED) substrate, including: disposing a supporting substrate supporting a plurality of LED units to be opposed to a receiving substrate so that a side of the supporting substrate facing the receiving substrate supports the plurality of LED units; and irradiating a side of the supporting substrate away from the receiving substrate with laser, stripping the LED units from the supporting substrate, and transferring the LED units onto the receiving substrate. The manufacturing method of the LED substrate can better transfer LED units from the supporting substrate onto the receiving substrate.Type: ApplicationFiled: January 6, 2017Publication date: August 2, 2018Inventors: Long WANG, Yanzhao LI, Chieh Hsing CHUNG, Jie SUN
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Publication number: 20180108841Abstract: Embodiments of the present disclosure relate to a quantum dot light emitting diode subpixel array, a method for manufacturing the same, and a display device. The method for manufacturing the quantum dot light emitting diode subpixel array according to embodiments of the present disclosure comprises a quantum dot accepting layer forming step of forming a quantum dot accepting layer on a substrate; a thermosensitive quantum dot material layer applying step of applying a thermosensitive quantum dot material layer containing a thermosensitive organic ligand on the quantum dot accepting layer; and a thermosensitive quantum dot material transferring step of subjecting the organic ligand of the thermosensitive quantum dot material in a predetermined area of the thermosensitive quantum dot material layer to a chemical reaction by heating such that the thermosensitive quantum dot material in the predetermined area is transferred onto a corresponding subpixel region on the quantum dot accepting layer.Type: ApplicationFiled: September 20, 2016Publication date: April 19, 2018Inventors: Yanzhao LI, Boris KRISTAL, Chieh Hsing CHUNG, Long WANG, Zhuo CHEN
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Publication number: 20180018916Abstract: An organic light-emitting diode (OLED) pixel structure, a driving method, a driving circuit and a display device. The pixel structure includes a plurality of pixel units arranged in a matrix; each pixel unit includes a plurality of sub-pixels with different colors; at least two sub-pixels in each pixel unit share one compensating circuit; and different sub-pixels sharing the same one compensating circuit are respectively displayed in different periods of outputting one frame of image. The pixel structure can improve the dynamic resolution of the display device and optimize the display effect.Type: ApplicationFiled: October 14, 2016Publication date: January 18, 2018Inventor: Chieh Hsing CHUNG
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Patent number: 9681074Abstract: A pixel circuit is provided. The pixel circuit includes a photoelectric converter unit, an amplifier unit, a reset unit, a compensation unit, a charging unit, and a readout unit, wherein the photoelectric converter unit is connected to a first voltage terminal and the amplifier unit, and is configured to convert an optical signal into an electric signal, wherein the amplifier unit is connected to the photoelectric converter unit, the charging unit, and the readout unit, and is configured to amplify an output signal from the photoelectric converter unit, and wherein the reset unit is connected to a reset terminal, the first voltage terminal, and the amplifier unit, and is configured to reset the amplifier unit based on an input signal from the reset terminal and an input signal from the first voltage terminal.Type: GrantFiled: October 20, 2015Date of Patent: June 13, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Liye Duan, Chung-Chun Lee, Feng Jiang, Li Zhou, Long Wang, Chieh Hsing Chung
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Patent number: 9666125Abstract: An organic light-emitting diode circuit and a driving method thereof are disclosed herein. The organic light-emitting diode circuit includes a storage unit, a transistor, a coupling capacitor, a compensation unit, an input unit, a switch unit, and an organic light-emitting diode. The transistor is configured to be driven by a voltage stored in the storage unit so that a second end of the transistor generates a driving current. The coupling capacitor changes a voltage of the second end of the transistor. The compensation unit changes the voltage level at the second end of the transistor according to a first scan signal. The input unit transmits a data voltage to the storage unit according to a second scan signal. The switch unit is turned on according to a light-emitting signal so that the driving current is transmitted to the organic light-emitting diode through the switch unit.Type: GrantFiled: October 8, 2014Date of Patent: May 30, 2017Assignee: AU OPTRONICS CORP.Inventor: Chieh-Hsing Chung
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Publication number: 20170126994Abstract: A pixel circuit is provided. The pixel circuit includes a photoelectric converter unit, an amplifier unit, a reset unit, a compensation unit, a charging unit, and a readout unit, wherein the photoelectric converter unit is connected to a first voltage terminal and the amplifier unit, and is configured to convert an optical signal into an electric signal, wherein the amplifier unit is connected to the photoelectric converter unit, the charging unit, and the readout unit, and is configured to amplify an output signal from the photoelectric converter unit, and wherein the reset unit is connected to a reset terminal, the first voltage terminal, and the amplifier unit, and is configured to reset the amplifier unit based on an input signal from the reset terminal and an input signal from the first voltage terminal.Type: ApplicationFiled: October 20, 2015Publication date: May 4, 2017Inventors: Liye DUAN, Chung-Chun LEE, Feng JIANG, Li ZHOU, Long WANG, Chieh Hsing CHUNG
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Publication number: 20150154906Abstract: An organic light-emitting diode circuit and a driving method thereof are disclosed herein. The organic light-emitting diode circuit includes a storage unit, a transistor, a coupling capacitor, a compensation unit, an input unit, a switch unit, and an organic light-emitting diode. The transistor is configured to be driven by a voltage stored in the storage unit so that a second end of the transistor generates a driving current. The coupling capacitor changes a voltage of the second end of the transistor. The compensation unit changes the voltage level at the second end of the transistor according to a first scan signal. The input unit transmits a data voltage to the storage unit according to a second scan signal. The switch unit is turned on according to a light-emitting signal so that the driving current is transmitted to the organic light-emitting diode through the switch unit.Type: ApplicationFiled: October 8, 2014Publication date: June 4, 2015Inventor: Chieh-Hsing CHUNG