Patents by Inventor A Ree SONG

A Ree SONG 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).

  • Display device and method for driving thereof
    Patent number: 11776472
    Abstract: The present disclosure relates to a display device and a driving method thereof, and the display device according to an example embodiment includes a pixel unit including a plurality of pixels, and a light emission driver outputting a light emission control signal having different light emission cycles according to a driving frequency and a required luminance to the pixel unit.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: A Ree Song, Eun Jung Lee, Woo-Young Cheon, Byeong Hwa Choi
  • DISPLAY DEVICE AND METHOD FOR DRIVING THEREOF
    Publication number: 20220051620
    Abstract: The present disclosure relates to a display device and a driving method thereof, and the display device according to an example embodiment includes a pixel unit including a plurality of pixels, and a light emission driver outputting a light emission control signal having different light emission cycles according to a driving frequency and a required luminance to the pixel unit.
    Type: Application
    Filed: February 26, 2021
    Publication date: February 17, 2022
    Inventors: A Ree SONG, Eun Jung LEE, Woo-Young CHEON, Byeong Hwa CHOI
  • Organic light emitting diode display and manufacturing method thereof
    Patent number: 10529957
    Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: A Ree Song, Byeong-Hee Won, Jong In Baek, Won Sang Park
  • ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF
    Publication number: 20180342709
    Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer
    Type: Application
    Filed: August 3, 2018
    Publication date: November 29, 2018
    Inventors: A Ree SONG, Byeong-Hee WON, Jong In BAEK, Won Sang PARK
  • Organic light emitting diode display and manufacturing method thereof
    Patent number: 10044004
    Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 7, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: A Ree Song, Byeong-Hee Won, Jong In Baek, Won Sang Park
  • ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF
    Publication number: 20170033309
    Abstract: A method for manufacturing an organic light emitting diode display includes: forming a hole injection layer on a substrate formed with a pixel circuit; forming a first assistance layer and a second assistance layer on the hole injection layer, the first assistance layer and the second assistance layer being disposed on different positions of the hole injection layer; forming a first organic emission layer on the first assistance layer; and forming a first hole transporting layer on the second assistance layer
    Type: Application
    Filed: December 11, 2015
    Publication date: February 2, 2017
    Inventors: A Ree SONG, Byeong-Hee WON, Jong In BAEK, Won Sang PARK