Patents by Inventor Lien-Hsiang CHEN
Lien-Hsiang CHEN 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: 11330689Abstract: A display device is provided. The display device includes a plurality of light-emitting modules. The at least one of the plurality of light-emitting modules includes a light-emitting unit group. The light-emitting unit group includes a plurality of light-emitting units coupled to each other in series. The first current source is coupled to the light-emitting unit group, and configured to provide a first current to drive the plurality of light-emitting units. The bypass unit includes a plurality of first switch units. The bypass unit is coupled to the light-emitting unit group in parallel. The plurality of first switch units are coupled to the plurality of light-emitting units in parallel.Type: GrantFiled: September 29, 2020Date of Patent: May 10, 2022Assignee: Innolux CorporationInventors: Ming Chun Tseng, Chin-Lung Ting, Ker-Yih Kao, Kung-Chen Kuo, Lien-Hsiang Chen
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Patent number: 11322086Abstract: A light emitting apparatus and a display device are provided. The light emitting apparatus includes a light emitting unit and a pixel circuit. The pixel circuit is electrically connected to the light emitting unit. The pixel circuit includes a first driving transistor and a second driving transistor. The first driving transistor and the second driving transistor are configured to provide a first driving current and a second driving current to the light emitting unit at the same time, respectively. The first driving transistor includes a first gate terminal. The second driving transistor includes a second gate terminal. The first gate terminal and the second gate terminal are electrically connected to different nodes. The display device includes the light emitting apparatus.Type: GrantFiled: July 29, 2020Date of Patent: May 3, 2022Assignee: Innolux CorporationInventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
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Publication number: 20220114952Abstract: A driving circuit for driving a light emitting unit is provided. The driving circuit includes a driving transistor, a switch transistor, an emitting transistor, a first capacitor and a first compensation transistor. The switch transistor is coupled to the driving transistor. The emitting transistor is coupled between the light emitting unit and the driving transistor. The first capacitor is coupled to the driving transistor. The first compensation transistor is coupled to the first capacitor. A first end of the first compensation transistor and a first end of the emitting transistor receive same signal.Type: ApplicationFiled: September 14, 2021Publication date: April 14, 2022Applicant: Innolux CorporationInventors: Ming Chun Tseng, Chi Lun Kao, Lien-Hsiang Chen, Chi Lun Kao
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Patent number: 11145241Abstract: An electronic device including a pixel is provided. The pixel receives a data signal and includes a driving transistor, an emitting circuit, and a reset circuit. A first source/drain of the driving transistor receives a first operation voltage. The emitting circuit is coupled to the driving transistor. The reset circuit is coupled to the first gate to set the voltage of the first gate. In a reset period, the voltage of the first gate is equal to a first predetermined voltage. In a write period, the voltage of the first gate is equal to a first difference between the first operation voltage and the threshold voltage of the driving transistor. In a display period, the voltage of the first gate is equal to the sum of the first difference and a second difference between the reference voltage and the data signal.Type: GrantFiled: August 8, 2019Date of Patent: October 12, 2021Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Publication number: 20210136895Abstract: A display device is provided. The display device includes a plurality of light-emitting modules. The at least one of the plurality of light-emitting modules includes a light-emitting unit group. The light-emitting unit group includes a plurality of light-emitting units coupled to each other in series. The first current source is coupled to the light-emitting unit group, and configured to provide a first current to drive the plurality of light-emitting units. The bypass unit includes a plurality of first switch units. The bypass unit is coupled to the light-emitting unit group in parallel. The plurality of first switch units are coupled to the plurality of light-emitting units in parallel.Type: ApplicationFiled: September 29, 2020Publication date: May 6, 2021Applicant: Innolux CorporationInventors: Ming Chun Tseng, Chin-Lung Ting, Ker-Yih Kao, Kung-Chen Kuo, Lien-Hsiang Chen
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Publication number: 20210118362Abstract: A driving circuit includes a first transistor having a first terminal, a second terminal and a control terminal; a second transistor having a first terminal connected to the second terminal of the first transistor and a second terminal connected to an organic light-emitting diode; a third transistor having a first terminal connected to the control terminal of the first transistor; a fourth transistor having a first terminal connected to the first terminal of the first transistor; and a fifth transistor having a first terminal connected to the second terminal of the second transistor. The first transistor, the second transistor and the fourth transistor are low temperature poly-silicon transistors, and the third transistor is an oxide semiconductor transistor.Type: ApplicationFiled: December 23, 2020Publication date: April 22, 2021Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG, Cheng-Hsu CHOU, Kuan-Feng LEE
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Publication number: 20210056900Abstract: A light emitting apparatus and a display device are provided. The light emitting apparatus includes a light emitting unit and a pixel circuit. The pixel circuit is electrically connected to the light emitting unit. The pixel circuit includes a first driving transistor and a second driving transistor. The first driving transistor and the second driving transistor are configured to provide a first driving current and a second driving current to the light emitting unit at the same time, respectively. The first driving transistor includes a first gate terminal. The second driving transistor includes a second gate terminal. The first gate terminal and the second gate terminal are electrically connected to different nodes. The display device includes the light emitting apparatus.Type: ApplicationFiled: July 29, 2020Publication date: February 25, 2021Applicant: Innolux CorporationInventors: Kung-Chen Kuo, Chin-Lung Ting, Ker-Yih Kao, Ming Chun Tseng, Lien-Hsiang Chen
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Patent number: 10902775Abstract: A driving circuit includes a current drive unit and a reset compensation and light emitting control circuit. The current drive unit includes a first transistor and a second transistor. The first transistor and the second transistor are connected in series, wherein the first transistor and the second transistor include a silicon semiconductor layer. The reset compensation and light emitting control circuit is coupled to the current drive unit. The reset compensation and light emitting control circuit includes a third transistor connected to a control terminal of the first transistor, wherein the third transistor is an oxide semiconductor transistor.Type: GrantFiled: May 14, 2019Date of Patent: January 26, 2021Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng, Cheng-Hsu Chou, Kuan-Feng Lee
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Publication number: 20200381500Abstract: A display device includes: a substrate; a data line disposed on the substrate; an another data line disposed on the substrate and adjacent to the data line; a first light emitting diode including a first electrode; and a second light emitting diode including an another first electrode, wherein the first electrode partially overlaps the data line and the another first electrode partially overlaps the another data line.Type: ApplicationFiled: August 18, 2020Publication date: December 3, 2020Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Sheng-Kai HSU, Hsia-Ching CHU, Mei-Chun SHIH
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Patent number: 10790343Abstract: A display device is disclosed, which includes: a first substrate; a first data line disposed on the first substrate; a first electrode disposed on the first substrate; and a first pixel defining layer disposed on the first electrode, wherein the first pixel defining layer exposes a part of the first electrode to define a first light emitting region, wherein, in a normal direction view of the first substrate, the first light emitting region partially overlaps the first data line.Type: GrantFiled: February 1, 2019Date of Patent: September 29, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Sheng-Kai Hsu, Hsia-Ching Chu, Mei-Chun Shih
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Patent number: 10665170Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.Type: GrantFiled: January 21, 2019Date of Patent: May 26, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Publication number: 20200090579Abstract: An electronic device including a pixel is provided. The pixel receives a data signal and includes a driving transistor, an emitting circuit, and a reset circuit. A first source/drain of the driving transistor receives a first operation voltage. The emitting circuit is coupled to the driving transistor. The reset circuit is coupled to the first gate to set the voltage of the first gate. In a reset period, the voltage of the first gate is equal to a first predetermined voltage. In a write period, the voltage of the first gate is equal to a first difference between the first operation voltage and the threshold voltage of the driving transistor. In a display period, the voltage of the first gate is equal to the sum of the first difference and a second difference between the reference voltage and the data signal.Type: ApplicationFiled: August 8, 2019Publication date: March 19, 2020Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG
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Patent number: 10553152Abstract: A pixel structure including a data transistor, a switching transistor, a driving transistor, a compensation transistor, an illumination transistor, an organic light-emitting diode (OLED) and a first capacitor is provided. The data transistor transmits a data signal to a node according to a scan signal. The switching transistor provides a first reference signal to the node according to a first illumination signal. The driving transistor includes a gate, a source receiving a first operation voltage and a drain. The compensation transistor is coupled between the gate and the drain and receives a control signal. The illumination transistor receives a second illumination signal and is coupled to the drain. The OLED includes an anode coupled to the illumination transistor and a cathode receiving a second operation voltage. The first capacitor is coupled between the node and the gate.Type: GrantFiled: August 23, 2016Date of Patent: February 4, 2020Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Publication number: 20190266949Abstract: A driving circuit includes a current drive unit and a reset compensation and light emitting control circuit. The current drive unit includes a first transistor and a second transistor. The first transistor and the second transistor are connected in series, wherein the first transistor and the second transistor include a silicon semiconductor layer. The reset compensation and light emitting control circuit is coupled to the current drive unit. The reset compensation and light emitting control circuit includes a third transistor connected to a control terminal of the first transistor, wherein the third transistor is an oxide semiconductor transistor.Type: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Ming-Chun TSENG, Cheng-Hsu CHOU, Kuan-Feng LEE
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Publication number: 20190259785Abstract: A display includes a pixel circuit. The pixel circuit includes a light emitting diode, a first transistor, a second transistor and a third transistor. The first transistor includes a first semiconductor layer. The first transistor has a first control terminal, a second terminal, and a third terminal electrically connected to the light emitting diode. The second transistor includes a second semiconductor layer, and is electrically connected to the third terminal. The third transistor is electrically connected to the first control terminal. A material of the first semiconductor layer is different from a material of the second semiconductor layer.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: Kuanfeng LEE, Kung-Chen KUO, Lien-Hsiang CHEN, Yu-Sheng TSAI
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Patent number: 10332446Abstract: A driving circuit includes a current drive unit and a reset compensation and light emitting control circuit. The current drive unit includes a first transistor and a second transistor. The first transistor and the second transistor are connected in series, wherein the first transistor and the second transistor include a silicon semiconductor layer. The reset compensation and light emitting control circuit is coupled to the current drive unit. The reset compensation and light emitting control circuit includes a third transistor connected to a control terminal of the first transistor, wherein the third transistor is an oxide semiconductor transistor.Type: GrantFiled: November 30, 2016Date of Patent: June 25, 2019Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng, Cheng-Hsu Chou, Kuan-Feng Lee
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Publication number: 20190165070Abstract: A display device is disclosed, which includes: a first substrate; a first data line disposed on the first substrate; a first electrode disposed on the first substrate; and a first pixel defining layer disposed on the first electrode, wherein the first pixel defining layer exposes a part of the first electrode to define a first light emitting region, wherein, in a normal direction view of the first substrate, the first light emitting region partially overlaps the first data line.Type: ApplicationFiled: February 1, 2019Publication date: May 30, 2019Inventors: Lien-Hsiang CHEN, Kung-Chen KUO, Sheng-Kai HSU, Hsia-Ching CHU, Mei-Chun SHIH
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Publication number: 20190156758Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.Type: ApplicationFiled: January 21, 2019Publication date: May 23, 2019Inventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Patent number: 10242624Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.Type: GrantFiled: August 1, 2016Date of Patent: March 26, 2019Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Ming-Chun Tseng
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Patent number: 10236329Abstract: A display device is disclosed, which includes: a first substrate with a data line disposed thereon, wherein the data line extends along a data line-extension-direction; and plural pixel units disposed on the first substrate and each of the plural pixel units comprising: a transistor disposed on the first substrate; an insulating layer disposed on the transistor and including a via hole; a first electrode disposed on the insulating layer and electrically connecting to the transistor; and a pixel defining layer disposed on the first electrode and exposing partial first electrode to form a light emitting region. Herein, in a first pixel unit of the pixel units, an extension direction of a connecting line defined by a minimum distance between a first outline of the via hole and a second outline of the light emitting region is not perpendicular and not parallel to the data-line-extension direction.Type: GrantFiled: September 5, 2017Date of Patent: March 19, 2019Assignee: INNOLUX CORPORATIONInventors: Lien-Hsiang Chen, Kung-Chen Kuo, Sheng-Kai Hsu, Hsia-Ching Chu, Mei-Chun Shih