Patents by Inventor Eon Joo LEE
Eon Joo 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).
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Publication number: 20260190664Abstract: A display device includes, a substrate, a transistor on a surface of the substrate, an under-anode insulating layer disposed on the transistor and including first and second portions having different thicknesses from each other and a third portion connecting the first and second portions, a pixel electrode on the first portion, the second portion, and the third portion, a pixel defining layer on the pixel electrode and the under-anode insulating layer, a light-emitting layer on the pixel electrode, and a common electrode on the light-emitting layer and the pixel defining layer. The under-anode insulating layer includes, a first under-anode insulating layer including a first hole in the first portion, and a second under-anode insulating layer including at least a portion within the first hole and corresponding to the first portion. The first under-anode insulating layer includes an inorganic material, and the second under-anode insulating layer includes an organic material.Type: ApplicationFiled: November 10, 2025Publication date: July 2, 2026Inventors: Hyeon Bum LEE, Eun Jin KWAK, Gee Bum KIM, Dong Uk KIM, Soo Youn KIM, Hyun Ho KIM, Hyoeng Ki KIM, Dong Hwan SHIM, Sung Eun LEE, Eon Joo LEE, Hoon Gi LEE
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Publication number: 20260026249Abstract: A display device includes a substrate, a pixel electrode, a pixel defining film, a light emitting layer, a common electrode, an encapsulation layer, a first inorganic insulating film, a connection electrode, a second inorganic insulating film, a touch electrode connected to the connection electrode through a touch contact hole penetrating through the second inorganic insulating film, a third inorganic insulating film, a black matrix, a color filter covering a portion of the black matrix, and a first optical hole penetrating through the first to third inorganic insulating films.Type: ApplicationFiled: March 18, 2025Publication date: January 22, 2026Inventors: Eon Joo LEE, Gee Bum KIM, Hyun Ho KIM, Bo Kwang SONG, Chaun Gi CHOI
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Publication number: 20250143121Abstract: A display device includes a first sub-display area and a second sub-display area that are adjacent each other, and a main display area around the first and second sub-display areas, a plurality of pixel electrodes in the main display area and spaced from one another, a plurality of first subpixel electrodes in the first sub-display area and spaced from one another, a plurality of first copy pixel electrodes in the first sub-display area and connected to the first subpixel electrodes through first bridge electrodes, a plurality of planarization patterns in the second sub-display area, a plurality of second subpixel electrodes and a plurality of second copy pixel electrodes in the second sub-display area that overlaps the planarization patterns, and a plurality of second bridge electrodes that overlaps the second subpixel electrodes or the second copy pixel electrodes.Type: ApplicationFiled: September 18, 2024Publication date: May 1, 2025Inventors: Dong Hwan SHIM, Kwang Woo PARK, Eon Joo LEE, Jin Yong LEE, Cheol JANG, Yong Seon JO
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Publication number: 20240292675Abstract: A display device includes: a substrate; an insulating film on the substrate and having an isolation groove defining a first isolated area and a second isolated area; a first transistor in the first isolated area; and a pixel electrode connected to the first transistor and overlapping the isolation groove.Type: ApplicationFiled: November 2, 2023Publication date: August 29, 2024Inventors: Dong Hwan SHIM, Kwang Woo PARK, Eon Joo LEE, Jin Yong LEE, Cheol JANG, Yong Seon JO
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Patent number: 12029094Abstract: Provided is a display device. The display device includes a substrate, a light emitting diode that is disposed on the substrate, and includes a pixel electrode, a common electrode, and an emission layer disposed between the pixel electrode and the common electrode; an encapsulation layer that is disposed on the light emitting diode, a touch electrode that is disposed on the encapsulation layer, a light blocking portion that is disposed on the touch electrode, a color filter layer that overlaps the emission layer, and a planarization layer that is disposed on the light blocking portion and the color filter layer, wherein the color filter layer is disposed on the encapsulation layer and the light blocking portion, and an edge portion of the color filter layer overlaps the light blocking portion.Type: GrantFiled: April 13, 2021Date of Patent: July 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Nak Cho Choi, Baek Min Oh, Eon Joo Lee, Hae Young Yun
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Publication number: 20220069014Abstract: Provided is a display device. The display device includes a substrate, a light emitting diode that is disposed on the substrate, and includes a pixel electrode, a common electrode, and an emission layer disposed between the pixel electrode and the common electrode; an encapsulation layer that is disposed on the light emitting diode, a touch electrode that is disposed on the encapsulation layer, a light blocking portion that is disposed on the touch electrode, a color filter layer that overlaps the emission layer, and a planarization layer that is disposed on the light blocking portion and the color filter layer, wherein the color filter layer is disposed on the encapsulation layer and the light blocking portion, and an edge portion of the color filter layer overlaps the light blocking portion.Type: ApplicationFiled: April 13, 2021Publication date: March 3, 2022Inventors: Nak Cho CHOI, Baek Min OH, Eon Joo LEE, Hae Young YUN
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Patent number: 11183553Abstract: An organic light-emitting display device including: a substrate; a pixel electrode on the substrate; a pixel defining film on the pixel electrode and having a first opening at least partially exposing the pixel electrode; an organic light-emitting layer on the exposed portion of the pixel electrode; a common electrode on the organic light-emitting layer and the pixel defining film; an encapsulation layer on the common electrode; a black matrix on the encapsulation layer and having a second opening overlapping the first opening; and a plurality of first sensing lines on the black matrix and surrounding the pixel electrode in a plan view to define a pixel region. At least portions of the first sensing lines defining the pixel region do not overlap the common electrode in the pixel region to reduce the common electrode's influence on the touch sensing lines and improve touch sensitivity.Type: GrantFiled: October 30, 2018Date of Patent: November 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jun Hyuk Woo, Kwang Woo Park, Hyoeng Ki Kim, Eon Joo Lee, Jin Whan Jung, Jeong Won Kim, Hyeon Bum Lee
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Patent number: 10985229Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first layer on the source electrode or the drain electrode, a second layer directly on the first layer, and a first electrode on the second layer. A step difference between a top of the first layer and a top of the drain electrode is 100 ? or less.Type: GrantFiled: May 29, 2020Date of Patent: April 20, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Bum Lee, Hyoeng Ki Kim, Kyong Heon Lee, Dong Ki Lee, Eon Joo Lee, Jin Whan Jung
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Patent number: 10916592Abstract: An organic light-emitting diode display device includes a substrate having a plurality of pixels; first electrodes disposed on the substrate, each of which is connected to a respective one of the pixels; organic emissive layers disposed on the first electrodes; a second electrode disposed on the organic emissive layers; a touch sensing unit disposed on the second electrode; and color filters disposed on the touch sensing unit, each of which is disposed above a respective one of the pixels.Type: GrantFiled: May 3, 2019Date of Patent: February 9, 2021Assignee: Samsung Display Co., Ltd.Inventors: Eon Joo Lee, Hyoeng Ki Kim, Jun Hyuk Woo, Kwang Woo Park, Hyeon Bum Lee, Jin Whan Jung
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Publication number: 20200295108Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first layer on the source electrode or the drain electrode, a second layer directly on the first layer, and a first electrode on the second layer. A step difference between a top of the first layer and a top of the drain electrode is 100 ? or less.Type: ApplicationFiled: May 29, 2020Publication date: September 17, 2020Applicant: Samsung Display Co. Ltd.Inventors: Hyeon Bum LEE, Hyoeng Ki KIM, Kyong Heon LEE, Dong Ki LEE, Eon Joo LEE, Jin Whan JUNG
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Patent number: 10672848Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first planarization layer on the source electrode and the drain electrode, a second planarization layer on the first planarization layer, and a first electrode on the second planarization layer. A step difference between a top of the first planarization layer and a top of the drain electrode is 100 ? or less.Type: GrantFiled: June 22, 2017Date of Patent: June 2, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Bum Lee, Hyoeng Ki Kim, Kyong Heon Lee, Dong Ki Lee, Eon Joo Lee, Jin Whan Jung
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Patent number: 10644083Abstract: An input sensing unit includes a base including light-transmitting areas and non-light transmitting areas. A light absorbing pattern is provided corresponding to the non-light transmitting areas and is configured to absorb incident light. A sensing electrode overlaps the light absorbing pattern. The light absorbing pattern has an aperture for exposing a light-transmitting area of the light-transmitting areas. A boundary of the aperture and an outer boundary of the light-transmitting area are spaced apart from each other. The input sensing unit has improved viewing angle/luminance ratio and improved characteristics of reflective color.Type: GrantFiled: March 9, 2018Date of Patent: May 5, 2020Assignee: Samsung Display Co., Ltd.Inventors: Hyeon Bum Lee, Jeong Won Kim, Hyoeng Ki Kim, Jun Hyuk Woo, Dong Ki Lee, Eon Joo Lee, Jin Ho Ju
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Publication number: 20190341428Abstract: An organic light-emitting diode display device includes a substrate having a plurality of pixels; first electrodes disposed on the substrate, each of which is connected to a respective one of the pixels; organic emissive layers disposed on the first electrodes; a second electrode disposed on the organic emissive layers; a touch sensing unit disposed on the second electrode; and color filters disposed on the touch sensing unit, each of which is disposed above a respective one of the pixels.Type: ApplicationFiled: May 3, 2019Publication date: November 7, 2019Inventors: Eon Joo LEE, Hyoeng Ki KIM, Jun Hyuk WOO, Kwang Woo PARK, Hyeon Bum LEE, Jin Whan Jung
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Publication number: 20190245026Abstract: An organic light-emitting display device including: a substrate; a pixel electrode on the substrate; a pixel defining film on the pixel electrode and having a first opening at least partially exposing the pixel electrode; an organic light-emitting layer on the exposed portion of the pixel electrode; a common electrode on the organic light-emitting layer and the pixel defining film; an encapsulation layer on the common electrode; a black matrix on the encapsulation layer and having a second opening overlapping the first opening; and a plurality of first sensing lines on the black matrix and surrounding the pixel electrode in a plan view to define a pixel region. At least portions of the first sensing lines defining the pixel region do not overlap the common electrode in the pixel region.Type: ApplicationFiled: October 30, 2018Publication date: August 8, 2019Inventors: Jun Hyuk WOO, Kwang Woo PARK, Hyoeng Ki KIM, Eon Joo LEE, Jin Whan JUNG, Jeong Won KIM, Hyeon Bum LEE
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Publication number: 20190051711Abstract: An input sensing unit includes a base including light-transmitting areas and non-light transmitting areas. A light absorbing pattern is provided corresponding to the non-light transmitting areas and is configured to absorb incident light. A sensing electrode overlaps the light absorbing pattern. The light absorbing pattern has an aperture for exposing a light-transmitting area of the light-transmitting areas. A boundary of the aperture and an outer boundary of the light-transmitting area are spaced apart from each other. The input sensing unit has improved viewing angle/luminance ratio and improved characteristics of reflective color.Type: ApplicationFiled: March 9, 2018Publication date: February 14, 2019Inventors: Hyeon Bum LEE, Jeong Won KIM, Hyoeng Ki KIM, Jun Hyuk WOO, Dong Ki LEE, Eon Joo LEE, Jin Ho JU
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Publication number: 20180053815Abstract: A display device including a substrate, a source electrode and a drain electrode on the substrate, the source electrode and the drain electrode being spaced apart from each other, a first planarization layer on the source electrode and the drain electrode, a second planarization layer on the first planarization layer, and a first electrode on the second planarization layer. A step difference between a top of the first planarization layer and a top of the drain electrode is 100 ? or less.Type: ApplicationFiled: June 22, 2017Publication date: February 22, 2018Inventors: Hyeon Bum LEE, Hyoeng Ki KIM, Kyong Heon LEE, Dong Ki LEE, Eon Joo LEE, Jin Whan JUNG