Patents by Inventor Kuei-Sheng CHANG
Kuei-Sheng CHANG 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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Publication number: 20240231517Abstract: An electronic device includes a first insulating layer, a first conductive portion, a second conductive portion, a transistor, and an electronic unit. The first insulating layer has a first opening penetrating the first insulating layer along a first direction. The first conductive portion is disposed in the first opening. The second conductive portion is electrically connected to the first conductive portion. The transistor is electrically connected to the second conductive portion. The electronic unit is electrically connected to the first conductive portion. In a cross-sectional view of the electronic device, the electronic unit and the second conductive portion are disposed on two opposite sides of the first insulating layer respectively, the first conductive portion has a first length along a second direction perpendicular to the first direction, the second conductive portion has a second length along the second direction, and the first length is different from the second length.Type: ApplicationFiled: January 4, 2024Publication date: July 11, 2024Applicant: InnoLux CorporationInventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
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Publication number: 20240168329Abstract: An electronic device including a first light emitting unit, a second light emitting unit, a first optical layer and a second optical layer is disclosed. The first light emitting unit emits a first light. The second light emitting unit emits a second light. At least one of the first light and the second light passes through the first optical layer. The second optical layer is overlapped with the first optical layer. The second optical layer is configured to scatter the first light emitted from the first light emitting unit. When the first light emitting unit emits the first light, the second light emitting unit selectively emits the second light.Type: ApplicationFiled: January 31, 2024Publication date: May 23, 2024Applicant: InnoLux CorporationInventors: Kuei-Sheng CHANG, Kuo-Jung Wu, Po-Yang Chen, I-An Yao
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Publication number: 20240134470Abstract: An electronic device includes a first insulating layer, a first conductive portion, a second conductive portion, a transistor, and an electronic unit. The first insulating layer has a first opening penetrating the first insulating layer along a first direction. The first conductive portion is disposed in the first opening. The second conductive portion is electrically connected to the first conductive portion. The transistor is electrically connected to the second conductive portion. The electronic unit is electrically connected to the first conductive portion. In a cross-sectional view of the electronic device, the electronic unit and the second conductive portion are disposed on two opposite sides of the first insulating layer respectively, the first conductive portion has a first length along a second direction perpendicular to the first direction, the second conductive portion has a second length along the second direction, and the first length is different from the second length.Type: ApplicationFiled: January 4, 2024Publication date: April 25, 2024Applicant: InnoLux CorporationInventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
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Publication number: 20240135745Abstract: An electronic device has a narrow viewing angle state and a wide viewing angle state, and includes a panel and a light source providing a light passing through the panel. In the narrow viewing angle state, the light has a first relative light intensity and a second relative light intensity. The first relative light intensity is the strongest light intensity, the second relative light intensity is 50% of the strongest light intensity, the first relative light intensity corresponds to an angle of 0°, the second relative light intensity corresponds to a half-value angle, and the half-value angle is between ?15° and 15°. In the narrow angle state, a third relative light intensity at each angle between 20° and 60° or each angle between ?20° and ?60° is lower than 20% of the strongest light intensity.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Applicant: InnnoLux CorporationInventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
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Patent number: 11921372Abstract: A display device including a first light emitting unit, a second light emitting unit, a first optical layer and a second optical layer is disclosed. The first optical layer is disposed on at least one of the first light emitting unit and the second light emitting unit, and the first optical layer includes a collimating layer. The second optical layer is disposed on the first light emitting unit. The second optical layer is configured to scatter a first light emitted from the first light emitting unit but does not scatter a second light emitted from the second light emitting unit.Type: GrantFiled: February 14, 2023Date of Patent: March 5, 2024Assignee: InnoLux CorporationInventors: Kuei-Sheng Chang, Kuo-Jung Wu, Po-Yang Chen, I-An Yao
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Patent number: 11914804Abstract: A touch display device is provided in this disclosure. The touch display device includes a substrate, a first conductive layer, a second conductive layer, a stacked structure, an inorganic light emitting unit, and a touch sensing circuit. The first conductive layer is disposed on the substrate. The first conductive layer includes a gate electrode. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a source electrode and a drain electrode. The stacked structure is disposed on the substrate. The stacked structure includes a conductive channel and a sensing electrode. The inorganic light emitting unit is disposed on the stacked structure. The inorganic light emitting unit is electrically connected with the drain electrode via the conductive channel. The touch sensing circuit is electrically connected with the sensing electrode.Type: GrantFiled: March 10, 2022Date of Patent: February 27, 2024Assignee: InnoLux CorporationInventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
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Patent number: 11900716Abstract: An electronic device which has a narrow viewing angle state and a wide viewing angle state includes a diffuser layer, a panel and a light source. The panel is disposed on the diffuser layer. The light source provides a light passing through the panel. In the narrow viewing angle state, the light has a first relative light intensity and a second relative light intensity. The first relative light intensity is the strongest light intensity, and the second relative light intensity is 50% of the strongest light intensity. The first relative light intensity corresponds to an angle of 0°, the second relative light intensity corresponds to a half-value angle, and the half-value angle is between ?15° and 15°.Type: GrantFiled: September 28, 2022Date of Patent: February 13, 2024Assignee: InnoLux CorporationInventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
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Publication number: 20230215771Abstract: An electronic device includes a substrate, a plurality of first pads, a plurality of sensing units and a plurality of test pads. The first pads are disposed on the substrate, the sensing units are disposed on the substrate and electrically connected to the first pads, and the test pads are disposed on the substrate and electrically connected to the sensing units.Type: ApplicationFiled: November 25, 2022Publication date: July 6, 2023Applicant: InnoLux CorporationInventors: Chien-Chih LIAO, Kuei-Sheng CHANG, Hsing-Yuan HSU, Po-Yang CHEN, I-An YAO
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Publication number: 20230194923Abstract: A display device including a first light emitting unit, a second light emitting unit, a first optical layer and a second optical layer is disclosed. The first optical layer is disposed on at least one of the first light emitting unit and the second light emitting unit, and the first optical layer includes a collimating layer. The second optical layer is disposed on the first light emitting unit. The second optical layer is configured to scatter a first light emitted from the first light emitting unit but does not scatter a second light emitted from the second light emitting unit.Type: ApplicationFiled: February 14, 2023Publication date: June 22, 2023Applicant: InnoLux CorporationInventors: Kuei-Sheng CHANG, Kuo-Jung WU, Po-Yang CHEN, I-An YAO
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Patent number: 11604382Abstract: A backlight module and a display device using the same are disclosed. The backlight module includes at least one first light emitting unit, at least one second light emitting unit, a first optical layer and a second optical layer. The first light emitting unit emits a first light, and the second light emitting unit emits a second light. The first optical layer is disposed on a light exiting side of the first light emitting unit and the second light emitting unit, and the first optical layer collimates the first light and the second light. The second optical layer is disposed on a light exiting side of the first optical layer, and the second optical layer scatters the first light but does not scatter the second light.Type: GrantFiled: December 13, 2021Date of Patent: March 14, 2023Assignee: InnoLux CorporationInventors: Kuei-Sheng Chang, Kuo-Jung Wu, Po-Yang Chen, I-An Yao
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Publication number: 20230024828Abstract: An electronic device which has a narrow viewing angle state and a wide viewing angle state includes a diffuser layer, a panel and a light source. The panel is disposed on the diffuser layer. The light source provides a light passing through the panel. In the narrow viewing angle state, the light has a first relative light intensity and a second relative light intensity. The first relative light intensity is the strongest light intensity, and the second relative light intensity is 50% of the strongest light intensity. The first relative light intensity corresponds to an angle of 0°, the second relative light intensity corresponds to a half-value angle, and the half-value angle is between ?15° and 15°.Type: ApplicationFiled: September 28, 2022Publication date: January 26, 2023Applicant: InnoLux CorporationInventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
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Publication number: 20230015777Abstract: An electronic device includes a panel having a working area and a peripheral area, signal lines, sub-pixels, bio-sensor units, a first switch unit and a second switch unit. The signal lines are disposed on the panel and have a first signal line and a second signal line. The sub-pixels and the bio-sensor units are disposed in the working area. The sub-pixels have a first sub-pixel and a second sub-pixel. The bio-sensor units have a first bio-sensor unit which is electrically connected to the first signal line. The first switch unit and the second switch unit are disposed in the peripheral area and respectively electrically connected to the first sub-pixel and the second sub-pixel through the first signal line and the second signal line. A first time period that the first switch unit is turned on is longer than a second time period that the second switch unit is turned on.Type: ApplicationFiled: June 14, 2022Publication date: January 19, 2023Applicant: InnoLux CorporationInventors: Kuei-Sheng CHANG, Kuo-Jung WU, Po-Yang CHEN, I-An YAO, Chuan-Chi CHIEN, Shu-Fen LI, Hsiao-Feng LIAO
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Patent number: 11482035Abstract: An electronic device includes a cover layer, a light control panel, an optical fingerprint sensor and a first light source disposed at the same side of the cover layer. The first light source is for fingerprint sensing and capable of providing a light of which half-value angle is between ?15° and 15°.Type: GrantFiled: December 8, 2020Date of Patent: October 25, 2022Assignee: InnoLux CorporationInventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
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Publication number: 20220221757Abstract: A backlight module and a display device using the same are disclosed. The backlight module includes at least one first light emitting unit, at least one second light emitting unit, a first optical layer and a second optical layer. The first light emitting unit emits a first light, and the second light emitting unit emits a second light. The first optical layer is disposed on a light exiting side of the first light emitting unit and the second light emitting unit, and the first optical layer collimates the first light and the second light. The second optical layer is disposed on a light exiting side of the first optical layer, and the second optical layer scatters the first light but does not scatter the second light.Type: ApplicationFiled: December 13, 2021Publication date: July 14, 2022Applicant: InnoLux CorporationInventors: Kuei-Sheng CHANG, Kuo-Jung WU, Po-Yang CHEN, I-An YAO
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Publication number: 20220197414Abstract: A touch display device is provided in this disclosure. The touch display device includes a substrate, a first conductive layer, a second conductive layer, a stacked structure, an inorganic light emitting unit, and a touch sensing circuit. The first conductive layer is disposed on the substrate. The first conductive layer includes a gate electrode. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a source electrode and a drain electrode. The stacked structure is disposed on the substrate. The staked structure includes a conductive channel and a sensing electrode. The inorganic light emitting unit is disposed on the stacked structure. The inorganic light emitting unit is electrically connected with the drain electrode via the conductive channel. The touch sensing circuit is electrically connected with the sensing electrode.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: InnoLux CorporationInventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
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Patent number: 11301067Abstract: A touch display device is provided in this disclosure. The touch display device includes a substrate, a first conductive layer, a second conductive layer, a stacked structure, an inorganic light emitting unit, and a touch sensing circuit. The first conductive layer is disposed on the substrate. The first conductive layer includes a gate electrode. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a source electrode and a drain electrode. The stacked structure is disposed on the substrate. The staked structure includes a conductive channel and a sensing electrode. The inorganic light emitting unit is disposed on the stacked structure. The inorganic light emitting unit is electrically connected with the drain electrode via the conductive channel. The touch sensing circuit is electrically connected with the sensing electrode.Type: GrantFiled: April 6, 2020Date of Patent: April 12, 2022Assignee: InnoLux CorporationInventors: Po-Yang Chen, Hsing-Yuan Hsu, Tzu-Min Yan, Chun-Hsien Lin, Kuei-Sheng Chang
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Publication number: 20220058368Abstract: A fingerprint identification method includes partitioning a plurality of readout lines of the electronic device into at least two groups, receiving a signal, determining a finger touch region according to the signal, and simultaneously enabling a portion of readout lines of each group corresponding to the finger touch region of the at least two groups.Type: ApplicationFiled: July 13, 2021Publication date: February 24, 2022Applicant: InnoLux CorporationInventors: Kuei-Sheng CHANG, Kuo-Jung WU, Po-Yang CHEN, I-An YAO
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Patent number: 11200396Abstract: An electronic device has a touch sensing mode and a fingerprint sensing mode, and the electronic device includes a substrate, a driving circuit, a fingerprint sensor and a touch signal line. The driving circuit is disposed on the substrate. The fingerprint sensor is disposed on the substrate, and the fingerprint sensor includes a first electrode and a second electrode, wherein the first electrode is electrically connected to the driving circuit. The touch signal line is disposed on the substrate and electrically connected to the second electrode.Type: GrantFiled: June 15, 2020Date of Patent: December 14, 2021Assignee: InnoLux CorporationInventors: Kuei-Sheng Chang, Kuo-Jung Wu, Po-Yang Chen, I-An Yao
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Publication number: 20210200976Abstract: An electronic device includes a cover layer, a light control panel, an optical fingerprint sensor and a first light source disposed at the same side of the cover layer. The first light source is for fingerprint sensing and capable of providing a light of which half-value angle is between ?15° and 15°.Type: ApplicationFiled: December 8, 2020Publication date: July 1, 2021Inventors: Kuei-Sheng Chang, Po-Yang Chen, Kuo-Jung Wu, I-An Yao, Wei-Cheng Lee, Hsien-Wen Huang
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Publication number: 20210012078Abstract: An electronic device has a touch sensing mode and a fingerprint sensing mode, and the electronic device includes a substrate, a driving circuit, a fingerprint sensor and a touch signal line. The driving circuit is disposed on the substrate. The fingerprint sensor is disposed on the substrate, and the fingerprint sensor includes a first electrode and a second electrode, wherein the first electrode is electrically connected to the driving circuit. The touch signal line is disposed on the substrate and electrically connected to the second electrode.Type: ApplicationFiled: June 15, 2020Publication date: January 14, 2021Inventors: Kuei-Sheng Chang, Kuo-Jung Wu, Po-Yang Chen, I-An Yao