Patents by Inventor Li-Wei Shih
Li-Wei Shih 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: 12364084Abstract: A display apparatus includes a first pad group, a first light-emitting element, a pixel driving structure, a first conductive layer and a second conductive layer. The first conductive layer is disposed between the first pad group and the pixel driving structure. The first conductive layer includes a first conductive pattern and a second conductive pattern. The first conductive pattern is electrically connected to one of the plurality of first pads and the pixel driving structure. The second conductive pattern is electrically connected to another one of the plurality of first pads. The first conductive pattern and the second conductive pattern have a first light-transmitting gap. The first light-transmitting gap is located below the first light-emitting element. The second conductive layer is disposed between the first conductive layer and the pixel driving structure. The second conductive layer includes a third conductive pattern shielding the first light-transmitting gap.Type: GrantFiled: August 30, 2024Date of Patent: July 15, 2025Assignee: AUO CorporationInventors: Chun-Chi Lai, Chia-Min Wang, Wen-Chiuan Su, Ling-Ying Chien, Ching-Sheng Cheng, Li-Wei Shih
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Patent number: 12155013Abstract: A light-emitting device including a first substrate, a first active element, a barrier layer, a first photosensitive element, a flat layer, and a first light-emitting diode is provided. The first active element is on the first substrate. The barrier layer is on the first active element. The first photosensitive element is on the barrier layer. The flat layer is on the first photosensitive element, and the first photosensitive element is between the barrier layer and the flat layer. The first light-emitting diode is on the flat layer. The first light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode. The first electrode is electrically connected to the first active element. The first photosensitive element is not completely shielded by the first electrode in a normal direction of the first substrate. The light-emitting layer is on the first electrode. The second electrode is on the light-emitting layer.Type: GrantFiled: July 27, 2021Date of Patent: November 26, 2024Assignee: Au Optronics CorporationInventors: Po-Chun Lai, Li-Wei Shih
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Patent number: 11783747Abstract: A display device includes readout line, first circuit, second circuit, and third circuit. Readout line includes first side and second side. First side is opposite to the second side. Each of first circuit, second circuit, and third circuit is coupled to readout line. Each of first circuit and third circuit is located at first side of readout line. First circuit resets according to first scan signal at first stage. Second circuit is located at second side of readout line. Second circuit and first circuit are arranged in dislocation manner. Second circuit reads first light sensing signal to output to readout line according to first scan signal at first stage. Third circuit and second circuit are arranged in dislocation manner, and third circuit is directly adjacent to first circuit. Third circuit senses light so as to generate second light sensing signal according to second scan signal at first stage.Type: GrantFiled: December 7, 2022Date of Patent: October 10, 2023Assignee: AUO CORPORATIONInventors: Po-Chun Lai, Ling-Ying Chien, Li-Wei Shih, Ching-Sheng Cheng, Chih-Lung Lin, Chia-Lun Lee
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Publication number: 20230306885Abstract: A display device includes readout line, first circuit, second circuit, and third circuit. Readout line includes first side and second side. First side is opposite to the second side. Each of first circuit, second circuit, and third circuit is coupled to readout line. Each of first circuit and third circuit is located at first side of readout line. First circuit resets according to first scan signal at first stage. Second circuit is located at second side of readout line. Second circuit and first circuit are arranged in dislocation manner. Second circuit reads first light sensing signal to output to readout line according to first scan signal at first stage. Third circuit and second circuit are arranged in dislocation manner, and third circuit is directly adjacent to first circuit. Third circuit senses light so as to generate second light sensing signal according to second scan signal at first stage.Type: ApplicationFiled: December 7, 2022Publication date: September 28, 2023Inventors: Po-Chun LAI, Ling-Ying CHIEN, Li-Wei SHIH, Ching-Sheng CHENG, Chih-Lung LIN, Chia-Lun LEE
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Publication number: 20220359792Abstract: A light-emitting device including a first substrate, a first active element, a barrier layer, a first photosensitive element, a flat layer, and a first light-emitting diode is provided. The first active element is on the first substrate. The barrier layer is on the first active element. The first photosensitive element is on the barrier layer. The flat layer is on the first photosensitive element, and the first photosensitive element is between the barrier layer and the flat layer. The first light-emitting diode is on the flat layer. The first light-emitting diode includes a first electrode, a light-emitting layer, and a second electrode. The first electrode is electrically connected to the first active element. The first photosensitive element is not completely shielded by the first electrode in a normal direction of the first substrate. The light-emitting layer is on the first electrode. The second electrode is on the light-emitting layer.Type: ApplicationFiled: July 27, 2021Publication date: November 10, 2022Applicant: Au Optronics CorporationInventors: Po-Chun Lai, Li-Wei Shih
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Patent number: 11481071Abstract: A touch display panel including a pixel defining layer, a first light emitting structure, a second light emitting structure, a first light sensing device and a touch electrode layer is provided. The pixel defining layer has a first pixel opening and a second pixel opening. The first light sensing device is adjacently disposed on a first side of the first pixel opening. A first edge defining a first electrode opening of the touch electrode layer and a second edge defining the first pixel opening of the pixel defining layer have a first spacing on the first side of the first pixel opening. A third edge defining a second electrode opening of the touch electrode layer and a fourth edge defining the second pixel opening of the pixel defining layer have a second spacing on a side of the second pixel opening. The first spacing is greater than the second spacing.Type: GrantFiled: November 10, 2021Date of Patent: October 25, 2022Assignee: Au Optronics CorporationInventors: Mao-Hsun Cheng, Chun-Cheng Hung, Kuang-Hsiang Liao, Ching-Sheng Cheng, Li-Wei Shih
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Patent number: 11467724Abstract: A touch display device includes a touch detecting circuit and a processor. The touch detecting circuit is configured to detect a first touch signal and a second touch signal. The processor is configured to record a first time point when the first touch signal is received, and record a second time point when the second touch signal is received. The processor is configured to calculate a time difference between the first time point and the second time point, if the time difference is larger than or equal to a threshold, the processor is configured to adjust the first touch signal and the second touch signal according to a baseline.Type: GrantFiled: April 20, 2020Date of Patent: October 11, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Chun-Chi Lai, Chia-Hsien Chu, Tsang-Hong Wang, Li-Wei Shih
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Publication number: 20220214758Abstract: A touch display panel including a pixel defining layer, a first light emitting structure, a second light emitting structure, a first light sensing device and a touch electrode layer is provided. The pixel defining layer has a first pixel opening and a second pixel opening. The first light sensing device is adjacently disposed on a first side of the first pixel opening. A first edge defining a first electrode opening of the touch electrode layer and a second edge defining the first pixel opening of the pixel defining layer have a first spacing on the first side of the first pixel opening. A third edge defining a second electrode opening of the touch electrode layer and a fourth edge defining the second pixel opening of the pixel defining layer have a second spacing on a side of the second pixel opening. The first spacing is greater than the second spacing.Type: ApplicationFiled: November 10, 2021Publication date: July 7, 2022Applicant: Au Optronics CorporationInventors: Mao-Hsun Cheng, Chun-Cheng Hung, Kuang-Hsiang Liao, Ching-Sheng Cheng, Li-Wei Shih
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Patent number: 11367386Abstract: A light sensing pixel including a first transistor, a compensation circuit, an output circuit, a capacitor and a light sensing circuit is provided. The control terminal of the first transistor is coupled with a first node. The first terminal of the first transistor is configured to receive a first operation voltage or a second operation voltage lower than the first operation voltage. The compensation circuit is configured to detect a threshold voltage of the first transistor, and is configured to form a diode-connected structure with the first transistor. The output circuit is coupled between the second terminal of the first transistor and a sensing line. The capacitor is coupled between the first node and the light sensing circuit. In response to the light sensing circuit is illuminated by light, the first terminal of the capacitor and the second terminal of the capacitor generate voltage variations simultaneously.Type: GrantFiled: November 4, 2021Date of Patent: June 21, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Li-Wei Shih, Po-Chun Lai
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Publication number: 20200363927Abstract: A touch display device includes a touch detecting circuit and a processor. The touch detecting circuit is configured to detect a first touch signal and a second touch signal. The processor is configured to record a first time point when the first touch signal is received, and record a second time point when the second touch signal is received. The processor is configured to calculate a time difference between the first time point and the second time point, if the time difference is larger than or equal to a threshold, the processor is configured to adjust the first touch signal and the second touch signal according to a baseline.Type: ApplicationFiled: April 20, 2020Publication date: November 19, 2020Inventors: Chun-Chi LAI, Chia-Hsien CHU, Tsang-Hong WANG, Li-Wei SHIH
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Patent number: 10267958Abstract: A display module includes a bottom substrate, a display device having a plurality of display pixels, and a diffusion module. The display pixels are disposed between the bottom substrate and the diffusion module. The diffusion module has a thickness and a haze, wherein the haze of the diffusion module satisfies: A < Haze < B ; wherein A = 0.642 × ( NP ) 0.35 ( NT ) 0.32 ; B = 0.821 × ( NP ) 0.45 ( NT ) 0.60 ; NP = 25400 / PPI 63 ? ? µm ; and NT = T 500 ? ? µm ; wherein PPI is a resolution of the display module, T is the thickness of the diffusion module, and Haze is the haze of the diffusion module.Type: GrantFiled: January 19, 2017Date of Patent: April 23, 2019Assignee: AU OPTRONICS CORP.Inventors: Shang-Ta Tsai, Yu-Ching Wang, Ching-Yan Chao, Li-Wei Shih
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Patent number: 9822921Abstract: Disclosed is a supporting stand for a display device, which includes: a base; an upright connected to the base; a holding unit connected to the upright and including a bracket, wherein the bracket has an anode conductive portion and a cathode conductive portion to provide electrical contacts for the display device; an electrical function unit disposed within the base; and an electrical connection unit electrically connecting the electrical function unit to the anode and cathode conductive portions of the bracket. Accordingly, the display device can be disposed in contact with the anode and cathode conductive portions of the bracket when being mounted on the bracket, and be electrically connected to the electrical function unit at the base by the electrical connection unit.Type: GrantFiled: July 12, 2016Date of Patent: November 21, 2017Assignee: Syncmold Enterprise Corp.Inventors: Kuang-Po Chen, Kun-Tien Ting, Wen-Chen Liu, Li-Wei Shih
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Patent number: 9791095Abstract: Disclosed is a supporting stand for a display device, which includes: a base; a frame body connected to the base for holding the display device and rotatable with respect to the base; an electrical function unit disposed within the base; and an electrical connection unit extending through the interior of the frame body to provide an electrical connection between the display device and the electrical function unit. The electrical connection unit includes a main cable that has a reserve section with a cable length larger than the corresponding minimal pathway distance. Accordingly, when the frame body rotates, the main cable can adjust itself to the rotation of the frame body by cable twisting at the reserve section.Type: GrantFiled: August 16, 2016Date of Patent: October 17, 2017Assignee: Syncmold Enterprise Corp.Inventors: Kuang-Po Chen, Kun-Tien Ting, Wen-Chen Liu, Li-Wei Shih
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Publication number: 20170212283Abstract: A display module includes a bottom substrate, a display device having a plurality of display pixels, and a diffusion module. The display pixels are disposed between the bottom substrate and the diffusion module. The diffusion module has a thickness and a haze, wherein the haze of the diffusion module satisfies: A < Haze ? ( % ) < B ; wherein A = 0.642 × ( NP ) 0.35 ( NT ) 0.32 ; B = 0.821 × ( NP ) 0.45 ( NT ) 0.60 ; NP = 25400 / PPI 63 ? ? µm ; and NT = T 500 ? ? µm ; wherein PPI is a resolution of the display module, T is the thickness of the diffusion module, and Haze is the haze of the diffusion module.Type: ApplicationFiled: January 19, 2017Publication date: July 27, 2017Inventors: Shang-Ta TSAI, Yu-Ching Wang, Ching-Yan Chao, Li-Wei Shih
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Publication number: 20170051865Abstract: Disclosed is a supporting stand for a display device, which includes: a base; an upright connected to the base; a holding unit connected to the upright and including a bracket, wherein the bracket has an anode conductive portion and a cathode conductive portion to provide electrical contacts for the display device; an electrical function unit disposed within the base; and an electrical connection unit electrically connecting the electrical function unit to the anode and cathode conductive portions of the bracket. Accordingly, the display device can be disposed in contact with the anode and cathode conductive portions of the bracket when being mounted on the bracket, and be electrically connected to the electrical function unit at the base by the electrical connection unit.Type: ApplicationFiled: July 12, 2016Publication date: February 23, 2017Inventors: Kuang-Po CHEN, Kun-Tien TING, Wen-Chen LIU, Li-Wei SHIH
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Publication number: 20170051866Abstract: Disclosed is a supporting stand for a display device, which includes: a base; a frame body connected to the base for holding the display device and rotatable with respect to the base; an electrical function unit disposed within the base; and an electrical connection unit extending through the interior of the frame body to provide an electrical connection between the display device and the electrical function unit. The electrical connection unit includes a main cable that has a reserve section with a cable length larger than the corresponding minimal pathway distance. Accordingly, when the frame body rotates, the main cable can adjust itself to the rotation of the frame body by cable twisting at the reserve section.Type: ApplicationFiled: August 16, 2016Publication date: February 23, 2017Inventors: Kuang-Po CHEN, Kun-Tien TING, Wen-Chen LIU, Li-Wei SHIH
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Patent number: 9378680Abstract: A pixel driving circuit includes a first switch, a capacitor, a second switch and at least one organic light emitting diode. The first switch includes a first end for receiving data voltage, a control end for receiving a first scan signal, and a second end for outputting the data voltage. The capacitor includes a first end coupled to the second end of the first switch, and a second end. The second switch includes a first end coupled to the second end of the first switch, a control end for receiving a second scan signal, and a second end. The at least one organic light emitting diode includes a first end coupled to the second end of the second switch, and a second end coupled to the second end of the capacitor.Type: GrantFiled: January 17, 2013Date of Patent: June 28, 2016Assignee: AU Optronics Corp.Inventors: Ching-Yan Chao, Li-Wei Shih
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Patent number: 9262961Abstract: A color display apparatus includes pixels P(i, j) arranged in a matrix having M columns and N rows, where i=1, 2, . . . , M, j=1, 2 . . . , N. A plurality of pixel pairs is defined along either the columns or the rows. Each pixel pair includes one pixel P(i, j) and the next immediate pixel, where if i is an odd integer, j is an odd integer, and if i is an even integer, j is an even integer. Each pixel pair has a first subpixel configured to display a first color and symmetrically positioned across the pixels, a pair of second subpixels configured to display a second color and symmetrically positioned in the pixels respectively, and a pair of third subpixels configured to display a third color and symmetrically positioned in the pixels respectively. The first subpixel is positioned between the pair of second subpixels.Type: GrantFiled: August 30, 2013Date of Patent: February 16, 2016Assignee: AU OPTRONICS CORPORATIONInventors: Li-Wei Shih, Yiyo Dai, Tse-Chin Chen, Hsueh-Yen Yang
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Patent number: 9176629Abstract: A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.Type: GrantFiled: May 13, 2008Date of Patent: November 3, 2015Assignee: AU OPTRONICS CORP.Inventors: Chi-Wen Chen, Li-Wei Shih, Meng-Hsiang Chang, Chi-Mao Hung, Chien-Jen Chen, Kun-Hua Tsai
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Patent number: 9082346Abstract: A light emitting diode circuitry includes a first transistor, a second transistor, a third transistor, a fourth transistor, a storage capacitor, a fifth transistor, a sixth transistor and light emitting diodes. The first transistor is used for receiving a first control signal. The second transistor is used for receiving a second control signal. The third transistor is electrically coupled to the second transistor and the first transistor. The fourth transistor is used for receiving a data signal and a third control signal. The storage capacitor is electrically coupled to the second transistor. The fifth transistor is used for receiving a fourth control signal. The sixth transistor is used for receiving a fifth control signal. The light emitting diodes are coupled to the sixth transistor and a power source.Type: GrantFiled: November 1, 2012Date of Patent: July 14, 2015Assignee: AU Optronics Corp.Inventor: Li-Wei Shih