Patents by Inventor Keong-Jin Lee
Keong-Jin 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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Patent number: 11963392Abstract: An organic light emitting diode display device includes a substrate having an active area and a non-active area, a light emitting diode in the active area, a sealing layer over the light emitting diode, at least one lens pattern over the sealing layer, the at least one lens pattern having a convex shape, and a passivation layer in the active area and the non-active area, the passivation layer covering the at least one lens pattern and having a first open portion exposing a first pad area.Type: GrantFiled: August 20, 2021Date of Patent: April 16, 2024Assignee: LG DISPLAY CO., LTD.Inventors: A-Ra Yoon, Hoon Kang, Byung-Joo Lee, Keong-Jin Lee, Jun-Young Kwon
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Patent number: 11696466Abstract: A 3D display apparatus in which a display panel has a curvature is provided. A lower barrier layer, an upper barrier layer and lenticular lenses may be sequentially stacked on the display panel. The lower barrier layer and the upper barrier layer may include openings corresponding pixel areas of the display panel, respectively. Each opening of the lower barrier layer and each opening of the upper barrier layer may be disposed on an imaginary line passing through the corresponding pixel area of the display panel and a setting region. Thus, in the 3D display apparatus, the quality of the realized 3D image may be improved.Type: GrantFiled: June 30, 2021Date of Patent: July 4, 2023Assignee: LG Display Co., Ltd.Inventors: Young Min Kim, Ju Seong Park, Hoon Kang, Keong Jin Lee, Myung Soo Park, Dong Yeon Kim, Se Wan Oh
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Publication number: 20220199957Abstract: An organic light emitting diode display device includes a substrate having an active area and a non-active area, a light emitting diode in the active area, a sealing layer over the light emitting diode, at least one lens pattern over the sealing layer, the at least one lens pattern having a convex shape, and a passivation layer in the active area and the non-active area, the passivation layer covering the at least one lens pattern and having a first open portion exposing a first pad area.Type: ApplicationFiled: August 20, 2021Publication date: June 23, 2022Applicant: LG DISPLAY CO., LTD.Inventors: A-Ra YOON, Hoon KANG, Byung-Joo LEE, Keong-Jin LEE, Jun-Young KWON
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Publication number: 20220077431Abstract: A display apparatus having a narrow viewing angle is provided. The display apparatus may include a device substrate including a first pixel area; a bank insulating layer on the device substrate, the bank insulating layer defining a first emission region in the first pixel area; a light-emitting device including a lower electrode, a light-emitting layer and an upper electrode, which are sequentially stacked on the first emission region; a light-blocking pattern on the bank insulating layer, the light-blocking pattern including a first opening disposed on the light-emitting device; and a first pixel lens on the first opening of the light-blocking pattern, the first pixel lens having a horizontal width larger than the first emission region, wherein a horizontal width of the first opening is proportional to a vertical distance between the light-emitting layer and the light-blocking pattern. Thus, the central luminance of the pixel area may be improved.Type: ApplicationFiled: September 2, 2021Publication date: March 10, 2022Inventors: Keong Jin LEE, Hoon KANG, Byung Joo LEE, Dong Yeon KIM, Young Min KIM
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Publication number: 20220020962Abstract: A 3D display apparatus in which a display panel has a curvature is provided. A lower barrier layer, an upper barrier layer and lenticular lenses may be sequentially stacked on the display panel. The lower barrier layer and the upper barrier layer may include openings corresponding pixel areas of the display panel, respectively. Each opening of the lower barrier layer and each opening of the upper barrier layer may be disposed on an imaginary line passing through the corresponding pixel area of the display panel and a setting region. Thus, in the 3D display apparatus, the quality of the realized 3D image may be improved.Type: ApplicationFiled: June 30, 2021Publication date: January 20, 2022Inventors: Young Min Kim, Ju Seong Park, Hoon Kang, Keong Jin Lee, Myung Soo Park, Dong Yeon Kim, Se Wan Oh
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Patent number: 11187839Abstract: A display device including a display panel and an eyepiece is provided. An image realized by the display panel can be provided to a user by passing through the eyepiece. The display device can further include a front quarter-wave plate and a rear quarter-wave plate in order to increase the path of light traveling toward the eyepiece from the display panel. A barrier can be disposed between the front quarter-wave plate and the rear quarter-wave plate. The barrier can reflect or transmit the light traveling toward the eyepiece from the display panel on a region-by-region, so that the loss of light recognized by the user through the eyepiece can be minimized.Type: GrantFiled: November 29, 2018Date of Patent: November 30, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Ju-Seong Park, Sung-Min Jung, Keong-Jin Lee
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Patent number: 10877310Abstract: A transparent display apparatus is provided. The transparent display apparatus may include a display panel realizing an image. The image realized by the display panel may display on an image formed by light passing through the display panel. In the transparent display apparatus, the moving path of light emitted from the display panel may longer than the moving path of light passing through the display panel, so that the quality and the viewing angle of the image realized by the display panel may be improved.Type: GrantFiled: December 3, 2018Date of Patent: December 29, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Ju-Seong Park, Sung-Min Jung, Sung-Woo Kim, Keong-Jin Lee, Myung-Soo Park
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Patent number: 10739594Abstract: A display device having an eyepiece is provided. The display device includes a display panel and an eyepiece. An image realized by the display panel may be provided to user through the eyepiece. An optical module may be disposed between the display panel and the eyepiece in order to increase a path of light. For example, the optical module may include a front quarter-wave plate, a half-mirror, a rear quarter-wave plate and a linear reflective polarizing plate, which are sequentially stacked. A positive C-plate may be disposed in the optical module. The light travelling toward the eyepiece from the display panel may pass through the positive C-plate. Thus, in the display device, the overall thickness may be reduced, and the viewing angle may be increased.Type: GrantFiled: September 19, 2018Date of Patent: August 11, 2020Assignee: LG Display Co., Ltd.Inventors: Sung-Woo Kim, Sung-Min Jung, Keong-Jin Lee
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Patent number: 10649231Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.Type: GrantFiled: June 29, 2017Date of Patent: May 12, 2020Assignee: LG Display Co., Ltd.Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo
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Patent number: 10473940Abstract: A display device including a display module and an eyepiece lens is provided. A user can view an image realized by the display module through the eyepiece lens. In the display play according to the present disclosure, a path of a light moving from the display module to the eyepiece lens may be increased by a half-mirror and a reflective polarizing plate which are located between the display module and the eyepiece lens. Thus, in the display device according to the present disclosure, the overall thickness may be decreased without degrading the quality of the image realized by the display module.Type: GrantFiled: April 17, 2018Date of Patent: November 12, 2019Assignee: LG Display Co., Ltd.Inventors: Keong-Jin Lee, Hyeon-Ho Son, Sung-Min Jung
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Publication number: 20190204676Abstract: A transparent display apparatus is provided. The transparent display apparatus may include a display panel realizing an image. The image realized by the display panel may display on an image formed by light passing through the display panel. In the transparent display apparatus, the moving path of light emitted from the display panel may longer than the moving path of light passing through the display panel, so that the quality and the viewing angle of the image realized by the display panel may be improved.Type: ApplicationFiled: December 3, 2018Publication date: July 4, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Ju-Seong PARK, Sung-Min JUNG, Sung-Woo KIM, Keong-Jin LEE, Myung-Soo PARK
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Publication number: 20190196174Abstract: A display device including a display panel and an eyepiece is provided. An image realized by the display panel can be provided to a user by passing through the eyepiece. The display device can further include a front quarter-wave plate and a rear quarter-wave plate in order to increase the path of light traveling toward the eyepiece from the display panel. A barrier can be disposed between the front quarter-wave plate and the rear quarter-wave plate. The barrier can reflect or transmit the light traveling toward the eyepiece from the display panel on a region-by-region, so that the loss of light recognized by the user through the eyepiece can be minimized.Type: ApplicationFiled: November 29, 2018Publication date: June 27, 2019Applicant: LG DISPLAY CO., LTD.Inventors: Ju-Seong PARK, Sung-Min JUNG, Keong-Jin LEE
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Publication number: 20190086672Abstract: A display device having an eyepiece is provided. The display device includes a display panel and an eyepiece. An image realized by the display panel may be provided to user through the eyepiece. An optical module may be disposed between the display panel and the eyepiece in order to increase a path of light. For example, the optical module may include a front quarter-wave plate, a half-mirror, a rear quarter-wave plate and a linear reflective polarizing plate, which are sequentially stacked. A positive C-plate may be disposed in the optical module. The light travelling toward the eyepiece from the display panel may pass through the positive C-plate. Thus, in the display device, the overall thickness may be reduced, and the viewing angle may be increased.Type: ApplicationFiled: September 19, 2018Publication date: March 21, 2019Applicant: LG Display Co., Ltd.Inventors: Sung-Woo Kim, Sung-Min Jung, Keong-Jin Lee
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Publication number: 20180299676Abstract: A display device including a display module and an eyepiece lens is provided. A user can view an image realized by the display module through the eyepiece lens. In the display play according to the present disclosure, a path of a light moving from the display module to the eyepiece lens may be increased by a half-mirror and a reflective polarizing plate which are located between the display module and the eyepiece lens. Thus, in the display device according to the present disclosure, the overall thickness may be decreased without degrading the quality of the image realized by the display module.Type: ApplicationFiled: April 17, 2018Publication date: October 18, 2018Inventors: Keong-Jin LEE, Hyeon-Ho SON, Sung-Min JUNG
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Publication number: 20170299909Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.Type: ApplicationFiled: June 29, 2017Publication date: October 19, 2017Applicant: LG Display Co., Ltd.Inventors: Chung-Hwan AN, Chang-Ho LEE, Keong-Jin LEE, Joo-Ah KIM, Tae-Young HEO
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Patent number: 9753318Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.Type: GrantFiled: October 6, 2014Date of Patent: September 5, 2017Assignee: LG Display Co., Ltd.Inventors: Chung-Hwan An, Chang-Ho Lee, Keong-Jin Lee, Joo-Ah Kim, Tae-Young Heo
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Publication number: 20150177549Abstract: A switchable type touch display device includes: a display panel displaying an image; a touch polarization control panel over the display panel, wherein the touch polarization control panel includes: first and second touch polarization control substrates; a first electrode on an inner surface of the first touch polarization control substrate; a second electrode on an inner surface of the second touch polarization control substrate; a third electrode on an outer surface of the second touch polarization control substrate; and a polarization control liquid crystal layer between the first and second touch polarization control substrates; and a lens panel over the touch polarization control panel.Type: ApplicationFiled: October 6, 2014Publication date: June 25, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Chung-Hwan AN, Chang-Ho LEE, Keong-Jin LEE, Joo-Ah KIM, Tae-Young HEO
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Publication number: 20090033741Abstract: A two dimensional to three dimensional (2D-3D) convertible display device is disclosed. In one embodiment, the display device includes i) a first display unit configured to selectively output one of a composite image and backlight, wherein the composite image comprises a background image and a mask image, for an object, wherein the background image comprises element images for a background excluding the object and wherein the mask image is a white image which has the same shape as that of the object, ii) a lens unit configured to convert the composite image into a stereoscopic image or pass through the backlight and iii) a second display unit configured to output i) a two-dimensional (2D) image of the object by the use of the backlight at a 2D mode and ii) the combination of the 2D image and the composite image at a three dimensional (3D) mode.Type: ApplicationFiled: July 30, 2008Publication date: February 5, 2009Applicants: KWANGWOON UNIVERSITY RESEARCH INSTITUTE FOR INDUSTRY COOPERATIONInventors: Yong-Seok Oh, Suk-Pyo Hong, Keong-Jin Lee, Dong-Hak Shin, Eun-Soo Kim