Patents by Inventor Cheol-Gon Lee
Cheol-Gon 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: 11776474Abstract: A pixel includes a driving transistor, a switching transistor, and first and second capacitors. The gate of the driving transistor is disposed below a first insulating layer, and a first conductive pattern defining a first electrode of the first capacitor is disposed below the first insulating layer. A second conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is disposed on the first insulating layer, a third conductive pattern defining a second electrode of the second capacitor is disposed on a second insulating layer covering the second conductive pattern, and the data line is disposed above the second insulating layer.Type: GrantFiled: March 23, 2022Date of Patent: October 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yujin Lee, Heejean Park, Heerim Song, Cheol-Gon Lee, Mukyung Jeon
-
Patent number: 11765939Abstract: A display device includes a substrate; an active pattern disposed on the substrate; a first insulating layer; a first conductive layer disposed on the first insulating layer and having a driving gate electrode; a second insulating layer; a second conductive layer disposed on the second insulating layer and having a first storage electrode; a third insulating layer; a third conductive layer disposed on the third insulating layer and having a second storage electrode; and a light-emitting element disposed on the third conductive layer, wherein the second storage electrode overlaps the first storage electrode via the third insulating layer to form a first capacitor, the first storage electrode overlaps the driving gate electrode via the second insulating layer to form a second capacitor, and the driving gate electrode, the first storage electrode, and the second storage electrode at least partially overlap each other.Type: GrantFiled: November 20, 2020Date of Patent: September 19, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Jin Jeon, Cheol-Gon Lee, Sang-Uk Lim
-
Publication number: 20230292560Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.Type: ApplicationFiled: November 2, 2022Publication date: September 14, 2023Inventors: JUN HYUN PARK, Hyeong Seok KIM, Young Wan SEO, Yu Jin LEE, Cheol Gon LEE
-
Patent number: 11749198Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.Type: GrantFiled: October 11, 2022Date of Patent: September 5, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwoo Kim, Sunghwan Kim, Kyoungju Shin, Cheol-Gon Lee, Sang-Uk Lim
-
Patent number: 11744128Abstract: A display apparatus including a substrate, a first power source line disposed in a peripheral area adjacent to a display area, the first power source line including a first layer and a second layer electrically connected to each other, a first gate pattern disposed between the first layer of the substrate and including a first gate fan-out line in the peripheral area and a first gate connecting line connected to the first gate fan-out line and extending between the first gate fan-out line and the display area, a first insulation layer disposed between the first layer and the second layer of the first power source line, a second insulation layer disposed between the first insulation layer and the second layer, and a first insulating dam disposed on and contacting the second layer, the first insulating dam disposed in the peripheral area and surrounding the display area.Type: GrantFiled: May 4, 2021Date of Patent: August 29, 2023Assignee: Samsung Display Co., Ltd.Inventors: Youngjin Cho, Joong-Soo Moon, Cheol-Gon Lee, Yang Wan Kim, Changkyu Jin
-
Patent number: 11730015Abstract: A display device includes a substrate; an active pattern disposed on the substrate; a first insulating layer; a first conductive layer disposed on the first insulating layer and having a driving gate electrode; a second insulating layer; a second conductive layer disposed on the second insulating layer and having a first storage electrode; a third insulating layer; a third conductive layer disposed on the third insulating layer and having a second storage electrode; and a light-emitting element disposed on the third conductive layer, wherein the second storage electrode overlaps the first storage electrode via the third insulating layer to form a first capacitor, the first storage electrode overlaps the driving gate electrode via the second insulating layer to form a second capacitor, and the driving gate electrode, the first storage electrode, and the second storage electrode at least partially overlap each other.Type: GrantFiled: November 20, 2020Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Jin Jeon, Cheol-Gon Lee, Sang-Uk Lim
-
Publication number: 20230255071Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Applicant: Samsung Display Co., LTD.Inventors: Jang Mi KANG, Cheol Gon LEE, Jae Yong JANG, Mee Hye JUNG
-
Patent number: 11706957Abstract: A display panel includes a first display area and a second display area. The display panel includes a plurality of first pixel groups in the first display area, a plurality of second pixel groups in the second display area, and a plurality of scan lines connected to the first and second pixel groups. The second display area includes a plurality of light emitting areas in which the second pixel groups are respectively disposed, and a plurality of open areas in which the second pixel groups are not disposed. One of a second pixel group of an n-th row is cut and does not overlap an adjacent open area of the n-th row, and is connected in the second display area to a scan line of a second pixel group of an (n?1)-th row or a scan line of a second pixel group of an (n+1)-th row.Type: GrantFiled: September 22, 2020Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeongseok Kim, Youngwan Seo, Junhyun Park, Yujin Lee, Cheol-Gon Lee
-
Patent number: 11694612Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.Type: GrantFiled: June 2, 2022Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Cheol Gon Lee, Hee Jean Park, Hee Rim Song, Yu Jin Lee, Mu Kyung Jeon
-
Patent number: 11631733Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.Type: GrantFiled: September 3, 2021Date of Patent: April 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang Mi Kang, Cheol Gon Lee, Jae Yong Jang, Mee Hye Jung
-
Publication number: 20230098891Abstract: A display device includes: a pixel driving circuit configured to drive the light emitting elements of pixels; and sensors including a light sensing element and a sensor driving circuit connected with the light sensing element and configured to output a sensing signal corresponding to a light, the sensor driving circuit including: a reset transistor including a first electrode configured to receive a reset signal, a second electrode connected with a first sensing node, and a third electrode configured to receive a reset control signal; an amplification transistor including a first electrode configured to receive a sensing driving voltage, a second electrode connected with a second sensing node, and a third electrode connected with the first sensing node; and an output transistor including a first electrode connected with the second sensing node, a second electrode connected with a sensing line, and a third electrode configured to receive an output control signal.Type: ApplicationFiled: August 15, 2022Publication date: March 30, 2023Inventors: HEERIM SONG, HEEJEAN PARK, YUJIN LEE, CHEOL-GON LEE, MUKYUNG JEON
-
Publication number: 20230089207Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.Type: ApplicationFiled: June 2, 2022Publication date: March 23, 2023Inventors: Cheol Gon LEE, Hee Jean PARK, Hee Rim SONG, Yu Jin LEE, Mu Kyung JEON
-
Publication number: 20230053847Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.Type: ApplicationFiled: October 11, 2022Publication date: February 23, 2023Inventors: DONGWOO KIM, Sunghwan Kim, Kyoungju Shin, Cheol-Gon Lee, Sang-Uk Lim
-
Patent number: 11508795Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.Type: GrantFiled: December 31, 2020Date of Patent: November 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Hyun Park, Hyeong Seok Kim, Young Wan Seo, Yu Jin Lee, Cheol Gon Lee
-
Publication number: 20220366849Abstract: A pixel includes a driving transistor, a switching transistor, and first and second capacitors. The gate of the driving transistor is disposed below a first insulating layer, and a first conductive pattern defining a first electrode of the first capacitor is disposed below the first insulating layer. A second conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is disposed on the first insulating layer, a third conductive pattern defining a second electrode of the second capacitor is disposed on a second insulating layer covering the second conductive pattern, and the data line is disposed above the second insulating layer.Type: ApplicationFiled: March 23, 2022Publication date: November 17, 2022Inventors: YUJIN LEE, HEEJEAN PARK, HEERIM SONG, CHEOL-GON LEE, MUKYUNG JEON
-
Patent number: 11501715Abstract: A display device includes a substrate that includes a display area for displaying an image and a non-display area surrounding the display area, a plurality of pixels that are disposed in the display area and each include an organic light emitting diode and a pixel circuit portion configured to operate the organic light emitting diode, and a scan driver that is disposed in the non-display area and includes a plurality of stages configured to output scan signals to the plurality of pixels. The plurality of stages may be arranged in n columns, a height of one stage may correspond to a height of n pixels, and n may be an integer of 2 or more.Type: GrantFiled: June 23, 2020Date of Patent: November 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kang Moon Jo, Chong Chul Chai, Young Wan Seo, Cheol-Gon Lee
-
Publication number: 20220343844Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.Type: ApplicationFiled: January 24, 2022Publication date: October 27, 2022Inventors: HEERIM SONG, MUKYUNG JEON, HEEJEAN PARK, YUJIN LEE, CHEOL-GON LEE
-
Patent number: 11468838Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.Type: GrantFiled: June 8, 2021Date of Patent: October 11, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwoo Kim, Sunghwan Kim, Kyoungju Shin, Cheol-Gon Lee, Sang-Uk Lim
-
Publication number: 20220148502Abstract: An emissive display device includes a display area which includes a plurality of pixels, and a driver disposed at a side of the display area, where the driver includes at least two emission signal stages disposed in one row, and an input signal line connected to the emission signal stages, and the at least two emission signal stages are connected to the same input signal line.Type: ApplicationFiled: July 29, 2021Publication date: May 12, 2022Inventors: Hae Min KIM, Min Jae JEONG, Jang Mi KANG, Hyun Joon KIM, Jun Hyun PARK, Cheol-Gon LEE
-
Patent number: 11251251Abstract: A display device includes: a substrate; a plurality of pixels provided in a pixel region of the substrate; a scan line and a data line, connected to each of the plurality of pixels; a first transistor connected to the scan line and the data line and a second transistor connected to the first transistor; a light emitting element connected to the transistor; a first blocking layer disposed between the substrate and the first transistor, the first blocking layer being electrically connected to the first transistor; and a second blocking layer disposed between the substrate and the second transistor, the second blocking layer being electrically connected to the second transistor, wherein the first blocking layer is connected to a gate electrode of the first transistor, and the second blocking layer is connected to any one of source and drain electrodes of the second transistor.Type: GrantFiled: August 3, 2020Date of Patent: February 15, 2022Inventors: Il Joo Kim, Cheol Gon Lee, Mee Hye Jung