Patents by Inventor Keun-Woo Park
Keun-Woo Park 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: 11961797Abstract: A semiconductor device structure, for example a 3D structure, and a method for fabricating a semiconductor device. As non-limiting examples, various aspects of this disclosure provide various semiconductor package structures, and methods for manufacturing thereof, that comprise interposer, interlayer, and/or heat dissipater configurations that provide for low cost, increased manufacturability, and high reliability.Type: GrantFiled: September 8, 2021Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Keun Soo Kim, Jae Yun Kim, Byoung Jun Ahn, Dong Soo Ryu, Dae Byoung Kang, Chel Woo Park
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Publication number: 20240119949Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.Type: ApplicationFiled: November 30, 2023Publication date: April 11, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
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Patent number: 11919122Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.Type: GrantFiled: September 29, 2020Date of Patent: March 5, 2024Assignees: SAMSUNG DISPLAY CO., LTD., KCTECH CO., LTD.Inventors: Seung Bae Kang, Sung Hyeon Park, Jung Gun Nam, Joon-Hwa Bae, Kyung Bo Lee, Keun Woo Lee, Woo Jin Cho, Byoung Kwon Choo
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Patent number: 11361540Abstract: A method and apparatus for predicting an object of interest of a user receives an input image of a visible region of a user and gaze information including a gaze sequence of the user, generates weight filters for a per-frame segmentation image by analyzing a frame of the input image for input characteristics of the per-frame segmentation image and the gaze information, and predicts an object of interest of the user by integrating the weight filters and applies the integrated weight filter to the per-frame segmentation image.Type: GrantFiled: July 17, 2020Date of Patent: June 14, 2022Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Seungin Park, Hyong Euk Lee, Sung Geun Ahn, Gee Hyuk Lee, Dae Hwa Kim, Keun Woo Park
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Publication number: 20210271880Abstract: A method and apparatus for predicting an object of interest of a user receives an input image of a visible region of a user and gaze information including a gaze sequence of the user, generates weight filters for a per-frame segmentation image by analyzing a frame of the input image for input characteristics of the per-frame segmentation image and the gaze information, and predicts an object of interest of the user by integrating the weight filters and applies the integrated weight filter to the per-frame segmentation image.Type: ApplicationFiled: July 17, 2020Publication date: September 2, 2021Applicants: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and TechnologyInventors: Seungin PARK, Hyong Euk LEE, Sung Geun AHN, Gee Hyuk LEE, Dae Hwa KIM, Keun Woo PARK
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Patent number: 10775666Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a light unit configured to emit blue light; a color conversion panel disposed on the light unit; and a display panel disposed between the light unit and the color conversion panel to include a transistor. The color conversion panel includes: a substrate; a color conversion layer disposed between the substrate and the display panel to include a semiconductor nanocrystal; a transmission layer disposed between the substrate and the display panel; and a polarization layer disposed between the color conversion layer and the display panel and between the transmission layer and the display panel, and the display panel includes a blue light blocking film which overlaps the transistor, while the blue light blocking film includes a red color filter.Type: GrantFiled: January 11, 2018Date of Patent: September 15, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jang-Il Kim, Yeo Geon Yoon, Keun Woo Park, Su Wan Woo, Kee-Bum Park, Do Yeong Park
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Patent number: 10712606Abstract: An exemplary embodiment of present disclosure provides a color conversion panel including: a substrate; a plurality of light blocking layers disposed on the substrate; a color conversion layer disposed on the substrate between the plurality of the light blocking layers and including quantum dots; an optical filter layer covering the color conversion layer and the light blocking layers; and a hydrogen blocking layer disposed on one surface of the optical filter layer.Type: GrantFiled: December 27, 2017Date of Patent: July 14, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jang-Il Kim, Keun Woo Park, Hoon Kang, Tae Jin Kong
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Patent number: 10551666Abstract: A liquid crystal display (“LCD”) device includes: a first substrate having a first area that allows an image to be transmitted therethrough and a second area that blocks an image; a second substrate opposite to the first substrate; a liquid crystal layer between the first substrate and the second substrate; and a polarizing layer on the second substrate. The polarizing layer may include first polarizing patterns and second polarizing patterns, wherein, in a planar view, the first polarizing patterns overlap with the first area and the second polarizing patterns overlap with the second area.Type: GrantFiled: November 29, 2017Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Keun Woo Park, Jang Il Kim, Yeo Geon Yoon
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Publication number: 20200012030Abstract: Disclosed herein is a backlight unit, the backlight unit comprises a light guide plate; a wavelength conversion layer disposed above the light guide plate; and a reflective polarizing layer disposed above the wavelength conversion layer and comprising a patterned polarizer, wherein the wavelength conversion layer and the reflective polarizing layer are integrally formed as one piece.Type: ApplicationFiled: December 7, 2018Publication date: January 9, 2020Inventors: Keun Woo PARK, Min Su KIM, Hong Beom LEE, Tae Woo LIM
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Publication number: 20190235330Abstract: A wiring substrate, a display device including a wiring substrate, and a method of manufacturing a wiring substrate are provided. The display device comprises: a wiring substrate; a color conversion substrate on the wiring substrate and comprises a color conversion pattern having a wavelength shifter; and a backlight unit which is spaced apart from the color conversion substrate with the wiring substrate interposed between the backlight unit and the color conversion substrate. The wiring substrate comprises: a first base; a thin film transistor on the first base and comprising a gate electrode, an active pattern on the gate electrode, and a drain electrode and a source electrode on the active pattern and spaced apart from each other; and a wavelength-selective reflector which is disposed on the first base and stacked each other with the thin film transistor.Type: ApplicationFiled: July 25, 2018Publication date: August 1, 2019Inventors: Keun Woo Park, Dong Il Son, Yeo Geon Yoon
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Patent number: 10330983Abstract: A method for manufacturing a liquid crystal display, and the display formed thereby, the method including forming a first display panel including a thin film transistor and a pixel electrode connected to the thin film transistor, the thin film transistor including an auxiliary electrode, a semiconductor layer disposed on the auxiliary electrode, and a gate electrode disposed on the semiconductor layer, forming a second display panel including a common electrode, forming a liquid crystal layer including a plurality of liquid crystal molecules on the first display panel or the second display panel, bonding the first display panel and the second display panel, applying different voltages to the pixel electrode and the common electrode, and irradiating ultraviolet rays in the liquid crystal layer, to initially align the liquid crystal molecules.Type: GrantFiled: March 13, 2017Date of Patent: June 25, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jang-II Kim, Keun Woo Park, Jong Hak Hwang
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Publication number: 20180356677Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a light unit configured to emit blue light; a color conversion panel disposed on the light unit; and a display panel disposed between the light unit and the color conversion panel to include a transistor. The color conversion panel includes: a substrate; a color conversion layer disposed between the substrate and the display panel to include a semiconductor nanocrystal; a transmission layer disposed between the substrate and the display panel; and a polarization layer disposed between the color conversion layer and the display panel and between the transmission layer and the display panel, and the display panel includes a blue light blocking film which overlaps the transistor, while the blue light blocking film includes a red color filter.Type: ApplicationFiled: January 11, 2018Publication date: December 13, 2018Inventors: Jang-Il KIM, Yeo Geon YOON, Keun Woo PARK, Su Wan WOO, Kee-Bum PARK, Do Yeong PARK
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Patent number: 10133130Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising, a substrate, and a pixel electrode disposed on the substrate, wherein the pixel electrode includes first cutout portions, which are disposed along edges of the pixel electrode, and second cutout portions, which are disposed closer than the first cutout portions to a center of the pixel electrode, and each of the second cutout portions includes first and second extensions, which extend in different directions and are connected to each other.Type: GrantFiled: December 6, 2016Date of Patent: November 20, 2018Assignee: Samsung Display Co., Ltd.Inventors: Keun Woo Park, Jang Il Kim, Su Wan Woo, Yeo Geon Yoon, Tae Kyung Yim
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Publication number: 20180180935Abstract: An exemplary embodiment of present disclosure provides a color conversion panel including: a substrate; a plurality of light blocking layers disposed on the substrate; a color conversion layer disposed on the substrate between the plurality of the light blocking layers and including quantum dots; an optical filter layer covering the color conversion layer and the light blocking layers; and a hydrogen blocking layer disposed on one surface of the optical filter layer.Type: ApplicationFiled: December 27, 2017Publication date: June 28, 2018Inventors: Jang-Il KIM, Keun Woo PARK, Hoon KANG, Tae Jin KONG
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Publication number: 20180157109Abstract: A liquid crystal display (“LCD”) device includes: a first substrate having a first area that allows an image to be transmitted therethrough and a second area that blocks an image; a second substrate opposite to the first substrate; a liquid crystal layer between the first substrate and the second substrate; and a polarizing layer on the second substrate. The polarizing layer may include first polarizing patterns and second polarizing patterns, wherein, in a planar view, the first polarizing patterns overlap with the first area and the second polarizing patterns overlap with the second area.Type: ApplicationFiled: November 29, 2017Publication date: June 7, 2018Inventors: Keun Woo PARK, Jang Il KIM, Yeo Geon YOON
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Publication number: 20180059469Abstract: A curved display device may include a first substrate on which a plurality of scan lines are disposed to extend in a first direction; a first pixel unit disposed over the scan lines and including first, second and third sub-pixel electrodes, which are adjacent to one another in a second direction that is different from the first direction; a second substrate facing the first substrate; and a color conversion layer disposed on the second substrate and including first and second wavelength conversion layers, which overlap with the first and second sub-pixel electrodes, respectively. Each of the first, second and third sub-pixel electrodes may have long sides, which extend in the first direction, and short sides, which extend in the second direction, and each of the first and second wavelength conversion layers may include wavelength conversion materials.Type: ApplicationFiled: August 23, 2017Publication date: March 1, 2018Inventors: Jang Il KIM, Keun Woo PARK, Su Wan WOO, Yeo Geon YOON, Hee Keun LEE
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Publication number: 20180011378Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising, a substrate, and a pixel electrode disposed on the substrate, wherein the pixel electrode includes first cutout portions, which are disposed along edges of the pixel electrode, and second cutout portions, which are disposed closer than the first cutout portions to a center of the pixel electrode, and each of the second cutout portions includes first and second extensions, which extend in different directions and are connected to each other.Type: ApplicationFiled: December 6, 2016Publication date: January 11, 2018Inventors: Keun Woo PARK, Jang Il KIM, Su Wan WOO, Yeo Geon YOON, Tae Kyung YIM
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Publication number: 20170293173Abstract: A method for manufacturing a liquid crystal display, and the display formed thereby, the method including forming a first display panel including a thin film transistor and a pixel electrode connected to the thin film transistor, the thin film transistor including an auxiliary electrode, a semiconductor layer disposed on the auxiliary electrode, and a gate electrode disposed on the semiconductor layer, forming a second display panel including a common electrode, forming a liquid crystal layer including a plurality of liquid crystal molecules on the first display panel or the second display panel, bonding the first display panel and the second display panel, applying different voltages to the pixel electrode and the common electrode, and irradiating ultraviolet rays in the liquid crystal layer, to initially align the liquid crystal molecules.Type: ApplicationFiled: March 13, 2017Publication date: October 12, 2017Inventors: Jang-II KIM, Keun Woo PARK, Jong Hak HWANG
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Patent number: 8570454Abstract: A display device with a display region and a non-display region surrounding the display region, the display device comprising: a first substrate and a second substrate. The first substrate comprises: a first insulating substrate; a gate and data line formed on the first insulating substrate; a pixel thin film transistor formed on the display region and electrically connected to the gate line; a pixel electrode electrically connected to the pixel thin film transistor; a gate driver formed on the non-display region and connected to the gate line; and a direct current (DC)/DC converter formed on the non-display region and having a capacitance part. The capacitance part includes: a first capacitance part with a first electrode, a first dielectric layer, and a second electrode; and a second capacitance part with the second electrode, a second dielectric layer, and a third electrode.Type: GrantFiled: June 15, 2012Date of Patent: October 29, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kyung-hoon Kim, Keun-woo Park, Kook-chul Moon, Pil-mo Choi, Chul-ho Kim, Ho-suk Maeng, Sang-hoon Lee
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Patent number: 8541811Abstract: There are provided a TFT, a TFT substrate using the TFT, a method of fabricating the TFT substrate, and an LCD. The TFT includes a source region, a drain region, and a gate electrode having an opening. The opening of the gate electrode is to enhance the light sensing ability of the TFT when it is used as a light sensor, since light is incident into a region where the opening is formed. The TFT including the gate having the opening can be used in a substrate of a flat display or an LCD using such a substrate. The above TFT can sense light incident from outside the display to adjust the brightness of the screen according to the external illumination.Type: GrantFiled: September 27, 2010Date of Patent: September 24, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kwan-Wook Jung, Ung-Sik Kim, Pil-Mo Choi, Seock-Cheon Song, Ho-Suk Maeng, Sang-Hoon Lee, Keun-Woo Park