Patents by Inventor Kyunlyeol Lee

Kyunlyeol Lee 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).

  • Patent number: 12159567
    Abstract: A gamma tap circuit includes: (i) a first gamma division circuit configured to generate a first gamma tap voltage by performing voltage division of an upper gamma tap voltage and a lower gamma tap voltage, in-sync with a first clock signal CK1 and a first complementary clock signal CK1b, which is 180° out-of-phase relative to CK1, (ii) a second gamma division circuit configured to generate a second gamma tap voltage by performing voltage division of the upper gamma tap voltage and the first gamma tap voltage, in-sync with a second clock signal CK2 and a second complementary clock signal CK2b, which is 180° out-of-phase relative to CK2, and (iii) a third gamma division circuit configured to generate a third gamma tap voltage by performing voltage division of the first gamma tap voltage and the lower gamma tap voltage, in response to CK2 and CK2b, which have a lower frequency relative to CK1 and CK1b.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: December 3, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ying-Da Chang, Chulho Choi, Yu-Chieh Huang, Ching-Chieh Wu, Hajoon Shin, Zhen-Guo Ding, Jia-Way Chen, Kyunlyeol Lee, Yongjoo Song
  • Patent number: 12154514
    Abstract: A source driver and a method for color swapping are provided. The source driver includes: a processor configured to: obtain, from an application processor, a plurality of sub-pixel data, add a tag to each of the plurality of sub-pixel data to generate a plurality of new sub-pixel data, the tag indicating color information of the sub-pixel data, and perform color swapping on the plurality of new sub-pixel data; a multiplexer circuit communicatively coupled to the processor and configured to: obtain each of the plurality of color swapped new sub-pixel data in sequence, and select a corresponding gamma voltage according to the tag of the color swapped new sub-pixel data; and an analog amplifier circuit communicatively coupled to the multiplexer circuit and configured to provide a source driving signal to a corresponding sub-pixel in a pixel array according to the color swapped new sub-pixel data and the corresponding gamma voltage.
    Type: Grant
    Filed: April 25, 2023
    Date of Patent: November 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Skaut Su, Alvin Lee, Donken Huang, Chris Huang, Jason Ding, Kyunlyeol Lee
  • Publication number: 20240233609
    Abstract: A gamma tap circuit includes: (i) a first gamma division circuit configured to generate a first gamma tap voltage by performing voltage division of an upper gamma tap voltage and a lower gamma tap voltage, in-sync with a first clock signal CK1 and a first complementary clock signal CK1b, which is 180° out-of-phase relative to CK1, (ii) a second gamma division circuit configured to generate a second gamma tap voltage by performing voltage division of the upper gamma tap voltage and the first gamma tap voltage, in-sync with a second clock signal CK2 and a second complementary clock signal CK2b, which is 180° out-of-phase relative to CK2, and (iii) a third gamma division circuit configured to generate a third gamma tap voltage by performing voltage division of the first gamma tap voltage and the lower gamma tap voltage, in response to CK2 and CK2b, which have a lower frequency relative to CK1 and CK1b.
    Type: Application
    Filed: September 14, 2023
    Publication date: July 11, 2024
    Inventors: Ying-Da Chang, Chulho Choi, Yu-Chieh Huang, Ching-Chieh Wu, Hajoon Shin, Zhen-Guo Ding, Jia-Way Chen, Kyunlyeol Lee, Yongjoo Song
  • Patent number: 12020618
    Abstract: The present disclosure provides methods, apparatuses, and non-transitory computer-readable mediums for setting charge sharing times, which may be adaptable to a display panel. In some embodiments, the apparatus includes a pixel array and a source driver configured to drive each column of the pixel array. In some embodiments, a setting method of charge sharing times includes grouping a plurality of pixels of a pixel array in a row direction to form a plurality of pixel groups. The setting method further includes setting a charge sharing time of each pixel group of the plurality of pixel groups according to a quantity of pixel groups in the plurality of pixel groups. A charge sharing time of a pixel group located closest to a source driver in the pixel array is greater than a charge sharing time of a pixel group located farthest from the source driver in the pixel array.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chulho Choi, Yu-Chieh Huang, Hajoon Shin, Han-Chiang Su, Jia-Way Chen, Kyunlyeol Lee, Yi-Chien Wen, Yongjoo Song, Shih-Chiao Huang
  • Publication number: 20240135859
    Abstract: A gamma tap circuit includes: (i) a first gamma division circuit configured to generate a first gamma tap voltage by performing voltage division of an upper gamma tap voltage and a lower gamma tap voltage, in-sync with a first clock signal CK1 and a first complementary clock signal CK1b, which is 180° out-of-phase relative to CK1, (ii) a second gamma division circuit configured to generate a second gamma tap voltage by performing voltage division of the upper gamma tap voltage and the first gamma tap voltage, in-sync with a second clock signal CK2 and a second complementary clock signal CK2b, which is 180° out-of-phase relative to CK2, and (iii) a third gamma division circuit configured to generate a third gamma tap voltage by performing voltage division of the first gamma tap voltage and the lower gamma tap voltage, in response to CK2 and CK2b, which have a lower frequency relative to CK1 and CK1b.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 25, 2024
    Inventors: Ying-Da Chang, Chulho Choi, Yu-Chieh Huang, Ching-Chieh Wu, Hajoon Shin, Zhen-Guo Ding, Jia-Way Chen, Kyunlyeol Lee, Yongjoo Song
  • Publication number: 20240119906
    Abstract: A source driver and a method for color swapping are provided. The source driver includes: a processor configured to: obtain, from an application processor, a plurality of sub-pixel data, add a tag to each of the plurality of sub-pixel data to generate a plurality of new sub-pixel data, the tag indicating color information of the sub-pixel data, and perform color swapping on the plurality of new sub-pixel data; a multiplexer circuit communicatively coupled to the processor and configured to: obtain each of the plurality of color swapped new sub-pixel data in sequence, and select a corresponding gamma voltage according to the tag of the color swapped new sub-pixel data; and an analog amplifier circuit communicatively coupled to the multiplexer circuit and configured to provide a source driving signal to a corresponding sub-pixel in a pixel array according to the color swapped new sub-pixel data and the corresponding gamma voltage.
    Type: Application
    Filed: April 25, 2023
    Publication date: April 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Skaut Su, Alvin Lee, Donken Huang, Chris Huang, Jason Ding, Kyunlyeol Lee