Patents by Inventor Byeong Wook Yoo
Byeong Wook Yoo 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: 12133443Abstract: A display device including: a base layer; a backplane structure provided on the base layer, the backplane structure including pixel circuits and a sensor circuit; a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and a light receiving element connected to the sensor circuit; an encapsulation layer covering the pixel layer; a light blocking member provided on the encapsulation layer, wherein the light blocking member Includes openings overlapping the light emitting elements and the light receiving element; and a color filter provided on the encapsulation layer and covering the light blocking member wherein the light emitting elements include light emitting layers, the light receiving element includes a light receiving layer, and at least one of the openings of the light blocking member overlaps one of the light emitting layers and the light receiving layer.Type: GrantFiled: October 27, 2021Date of Patent: October 29, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Suk Kim, Gee Bum Kim, Tae Hoon Yang, Byeong Wook Yoo, Dae Young Lee, Keum Dong Jung
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Publication number: 20220285460Abstract: A display device including: a base layer; a backplane structure provided on the base layer, the backplane structure including pixel circuits and a sensor circuit; a pixel layer provided on the backplane structure, the pixel layer including light emitting elements respectively connected to the pixel circuits and a light receiving element connected to the sensor circuit; an encapsulation layer covering the pixel layer; a black matrix provided on the encapsulation layer, wherein the black matrix includes openings overlapping the light emitting elements and the light receiving element; and a color filter provided on the encapsulation layer and covering the black matrix, wherein the light emitting elements include light emitting layers, the light receiving element includes a light receiving layer and at least one of the openings of the black matrix overlaps one of the light emitting layers and the light receiving layer.Type: ApplicationFiled: October 27, 2021Publication date: September 8, 2022Inventors: Suk KIM, Gee Bum KIM, Tae Hoon YANG, Byeong Wook YOO, Dae Young LEE, Keum Dong JUNG
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Patent number: 11071686Abstract: An automatic cardiopulmonary resuscitation device includes a movable chest compressor for repeatedly pressing a patient's chest at a preset depth and cycle, a cardiac output measurement unit for measuring a cardiac output of the patient in accordance with the pressurization of the chest compressor and a processor for changing pressing locations by performing control such that the chest compressor moves according to a preset method.Type: GrantFiled: January 26, 2017Date of Patent: July 27, 2021Assignee: Seoul National University R&DB FoundationInventors: Gil Joon Suh, Woon Yong Kwon, Kyung Su Kim, Sang Hoon Na, Jaeheung Park, Jung Chan Lee, Yoon Sun Jung, Kyoung Min You, Min Ji Park, Taegyun Kim, Jung-In Ko, Jeeseop Kim, Jaesug Jung, Sanghyun Kim, Byeong Wook Yoo, Byeongtak Lee, Woo Sang Cho, Jin Woo Choi
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Publication number: 20190029919Abstract: An automatic cardiopulmonary resuscitation device and a control method therefor are disclosed. The automatic cardiopulmonary resuscitation device comprises: a movable chest compressor for repeatedly pressing a patient's chest at a preset depth and cycle; a cardiac output measurement unit for measuring a cardiac output of the patient in accordance with the pressurization of the chest compressor; and a processor for changing pressing locations by performing control such that the chest compressor moves according to a preset method, wherein the processor controls the cardiac output measurement unit such that the cardiac output measurement unit measures the patient's cardiac output at each of the changed pressurized locations, selects a pressing location at which the patient's cardiac output becomes the maximum on the basis of the measured cardiac output, and performs control such that the chest compressor moves to the pressing location at which the patient's cardiac output becomes the maximum.Type: ApplicationFiled: January 26, 2017Publication date: January 31, 2019Applicant: Seoul National University R&DB FoundationInventors: Gil Joon Suh, Woon Yong Kwon, Kyung Su Kim, Sang Hoon Na, Jaeheung Park, Jung Chan Lee, Yoon Sun Jung, Kyoung Min You, Min Ji Park, Taegyun Kim, Jung-In Ko, Jeeseop Kim, Jaesug Jung, Sanghyun Kim, Byeong Wook Yoo, Byeongtak Lee, Woo Sang Cho, Jin Woo Choi
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Patent number: 9705084Abstract: An organic light emitting diode (OLED) display includes a red pixel, a green pixel, and a blue pixel. The red pixel, the green pixel and the blue pixel each includes: a pixel electrode; a hole auxiliary layer on the pixel electrode; a blue organic emission layer on the hole auxiliary layer; an electron auxiliary layer on the blue organic emission layer; and a common electrode on the electron auxiliary layer. The red pixel and the green pixel include: a red boundary layer and a green boundary layer, respectively; a red resonance assistance layer and a green resonance assistance layer, respectively; and a red organic emission layer and a green organic emission layer formed between the red resonance assistance layer and the blue organic emission layer, and between the green resonance assistance layer and the blue organic emission layer, respectively.Type: GrantFiled: May 1, 2012Date of Patent: July 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Woo Pyo, Seung-Mook Lee, Byeong-Wook Yoo, Hyo-Yeon Kim, Myung-Jong Jung, Jin-Woo Park
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Patent number: 9601694Abstract: A donor substrate for a laser transfer includes a base layer, a primer layer disposed on the base layer, a light-to-heat conversion layer disposed on the primer layer, and an intermediate layer disposed on the light-to-heat conversion layer, where the light-to-heat conversion layer includes graphene.Type: GrantFiled: December 18, 2013Date of Patent: March 21, 2017Assignee: SAMSUNG DISPLAY CO., LTDInventors: Ji-Young Kwon, Ji-Hwan Yoon, Sang-Woo Pyo, Ha-Jin Song, Byeong-Wook Yoo, Bum-Suk Lee, Ji-Myoung Ye, Yi-Seul Kim
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Patent number: 9577205Abstract: An organic light-emitting device including a first light-emitting region, a second light-emitting region, and a third light-emitting region. The organic light-emitting device includes a substrate; a first electrode layer on the substrate; a hole injection layer on the first electrode layer; a common emission layer on the hole injection layer; a first resonance assistance layer on the common emission layer in the first light-emitting region and a second resonance assistance layer on the common emission layer in the second light-emitting region.Type: GrantFiled: September 14, 2013Date of Patent: February 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Byeong-Wook Yoo, Sang-Woo Pyo, Ha-Jin Song, Hyo-Yeon Kim, Hye-Yeon Shim, Ji-Young Kwon, Heun-Seung Lee, Ji-Hwan Yoon
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Patent number: 9508946Abstract: An organic light emitting diode display includes: a substrate; a thin film transistor provided on the substrate; a first electrode connected to the thin film transistor; an organic emission layer provided on the first electrode; an interlayer provided on the organic emission layer; an electron auxiliary layer provided on the interlayer and including an electron injection layer (EIL) and an electron transport layer (ETL); and a second electrode provided on the electron auxiliary layer, wherein the interlayer is made by mixing a material of the electron auxiliary layer.Type: GrantFiled: June 13, 2013Date of Patent: November 29, 2016Assignee: Samsung Display Co., Ltd.Inventors: Ha-Jin Song, Sang-Woo Pyo, Byeong-Wook Yoo, Ji-Young Kwon, Bum-Suk Lee, Ji-Myoung Ye, Ji-Hwan Yoon
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Patent number: 9391121Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes red, green, and blue pixels. Each pixel includes a pixel electrode, a hole auxiliary layer formed over the pixel electrode, and an organic emission layer formed over the hole auxiliary layer. Each pixel also includes an electron auxiliary layer formed over the organic emission layer, and a common electrode formed over the electron auxiliary layer. Each of the red and green pixels further includes a host layer formed between the hole auxiliary layer and the organic emission layer and a resonance layer formed between the host layer and the organic emission layer.Type: GrantFiled: June 26, 2014Date of Patent: July 12, 2016Assignee: Samsung Display Co., Ltd.Inventors: Bum Suk Lee, Ha Jin Song, Ji Hwan Yoon, Ji Young Kwon, Byeong Wook Yoo, Ji Myoung Ye
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Patent number: 9293732Abstract: An organic light emitting display device includes a first electrode, a second electrode facing the first electrode, an organic light emitting layer disposed between the first and second electrodes, a first auxiliary structure and a second auxiliary structure both of which are disposed between the first and second electrodes. The first electrode is disposed on a substrate having a first sub-pixel region, a second sub-pixel region and a third sub-pixel region. The organic light emitting layer includes a first organic light emitting layer, a second organic light emitting layer and a third organic light emitting layer. The first auxiliary structure includes a first doping pattern, a first resonance auxiliary pattern, a second doping pattern and a second resonance auxiliary pattern. The second auxiliary structure includes a third doping pattern, a third resonance auxiliary pattern, a fourth doping pattern and a fourth resonance auxiliary pattern.Type: GrantFiled: December 19, 2013Date of Patent: March 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sang-Woo Pyo, Ji-Hwan Yoon, Ha-Jin Song, Byeong-Wook Yoo, Hyo-Yeon Kim
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Publication number: 20150194623Abstract: An organic light-emitting device and a method of manufacturing the same, including a substrate; a plurality of first electrodes on the substrate in a first to third light-emitting region; a first common layer on the substrate, the first common layer covering the plurality of first electrodes; a first light-emitting layer in the first light-emitting region and on the first common layer; a second light-emitting layer in the second light-emitting region and on the first common layer; a third light-emitting layer in the third light-emitting region and on the first common layer; a second common layer that is commonly disposed on the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer; a second electrode on the second common layer; and an auxiliary layer that is commonly disposed only in the first light-emitting region and the second light-emitting region between the first common layer and the second common layer.Type: ApplicationFiled: April 15, 2014Publication date: July 9, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sang-Woo PYO, Ha-Jin SONG, Byeong-Wook YOO, Ji-Hwan YOON, Kyul HAN
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Patent number: 9048456Abstract: An organic light-emitting diode (OLED) having first, second and third sub-pixels of different colors includes: a substrate; first and second electrodes; an organic emission layer (OEL) between the electrodes including a first OEL in the first sub-pixel, a second OEL in the second sub-pixel, and a common third OEL in the first, second and third sub-pixels; a hole transport layer (HTL) between the first electrode and OEL; a hole injection layer (HIL) between the first electrode and HTL; an intermediate layer between the HTL and HIL; a first optical thickness auxiliary layer (OTAL) between the first OEL and third OEL in the first sub-pixel and including a first hole transporting compound and a cyano group-containing compound; and a second OTAL including a second hole transporting compound between the third OEL and HTL in the first sub-pixel, and between the second OEL and HTL in the second sub-pixel.Type: GrantFiled: February 2, 2012Date of Patent: June 2, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung-Wook Chang, Young-Hee Lee, Mu-Hyun Kim, Hyo-Yeon Kim, Sang-Woo Pyo, Seung-Mook Lee, Byeong-Wook Yoo
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Publication number: 20150090972Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes red, green, and blue pixels. Each pixel includes a pixel electrode, a hole auxiliary layer formed over the pixel electrode, and an organic emission layer formed over the hole auxiliary layer. Each pixel also includes an electron auxiliary layer formed over the organic emission layer, and a common electrode formed over the electron auxiliary layer. Each of the red and green pixels further includes a host layer formed between the hole auxiliary layer and the organic emission layer and a resonance layer formed between the host layer and the organic emission layer.Type: ApplicationFiled: June 26, 2014Publication date: April 2, 2015Inventors: Bum Suk LEE, Ha Jin Song, Ji Hwan Yoon, Ji Young Kwon, Byeong Wook Yoo, Ji Myoung Ye
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Publication number: 20150014642Abstract: A donor substrate for a laser transfer includes a base layer, a primer layer disposed on the base layer, a light-to-heat conversion layer disposed on the primer layer, and an intermediate layer disposed on the light-to-heat conversion layer, where the light-to-heat conversion layer includes graphene.Type: ApplicationFiled: December 18, 2013Publication date: January 15, 2015Applicant: Samsung Display Co., Ltd.Inventors: Ji-Young KWON, Ji-Hwan YOON, Sang-Woo PYO, Ha-Jin SONG, Byeong-Wook YOO, Bum-Suk LEE, Ji-Myoung YE, Yi-Seul KIM
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Patent number: 8921843Abstract: A full color light emitting device having a reduced driving voltage includes a substrate having a first subpixel, a second subpixel, and a third subpixel. A plurality of first electrodes are in the first subpixel, the second subpixel, and the third subpixel. A second electrode faces the first electrode. An emission layer is between the first electrode and the second electrode. The emission layer includes a first emission layer in the first subpixel for emitting a first color light in the first subpixel, a second emission layer in the first subpixel for emitting a second color light in the second subpixel, and a third emission layer in the first subpixel, the second subpixel and the third subpixel, for emitting a third color light in the third subpixel.Type: GrantFiled: June 19, 2013Date of Patent: December 30, 2014Assignee: Samsung Display Co., Ltd.Inventors: Ha-Jin Song, Se-Hun Kim, Dae-Yup Shin, Sang-Woo Lee, Sang-Woo Pyo, Byeong-Wook Yoo, Ji-Young Kwon, Bum-Suk Lee, Ji-Myoung Ye, Ji-Hwan Yoon
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Publication number: 20140374705Abstract: Organic light-emitting display device and method of manufacturing the same are provided. Here, the organic light-emitting display device includes a substrate which has a first area and a second area, a first electrode which is on each of the first area and the second area of the substrate, a plurality of emitting layers on the first electrode and including a first emitting layer on the first area and a second emitting layer on the second area, a second electrode on the emitting layers, a capping layer on the second electrode, and a refractive pattern on the capping layer, wherein the refractive pattern is on at least one of the first area and the second area.Type: ApplicationFiled: November 7, 2013Publication date: December 25, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Ha Jin Song, Ji Young Kwon, Yi Seul Kim, Ji Myoung Ye, Byeong Wook Yoo, Bum Suk Lee
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Patent number: 8906735Abstract: A donor substrate includes a base layer, a light to heat conversion layer on the base layer, an interlayer on the light to heat conversion layer, a low molecular weight transfer layer on the interlayer and an organic transfer layer on the low molecular weight transfer layer. The low molecular weight transfer layer includes an element in Group I or a compound of elements in Group I and Group VII.Type: GrantFiled: July 20, 2012Date of Patent: December 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Ha-Jin Song, Sang-Woo Pyo, Byeong-Wook Yoo, Hyo-Yeon Kim, Ji-Young Kwon, Kwan-Hee Lee
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Patent number: 8907332Abstract: An organic light emitting display device includes a substrate including first, second and third sub-pixel regions, a first electrode formed in each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region of the substrate, a first light emitting layer formed on the first electrode of each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region, spacer layers formed on the first light emitting layer of the first sub-pixel region and the second sub-pixel region and including a material of the first light emitting layer, a second light emitting layer formed on the spacer layer of the first sub-pixel region, a third light emitting layer formed on the spacer layer of the second sub-pixel region, and a second electrode formed on the first light emitting layer, the second light emitting layer, and the third light emitting layer.Type: GrantFiled: July 10, 2013Date of Patent: December 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Ji-Myoung Ye, Ha-Jin Song, Byeong-Wook Yoo, Bum-Suk Lee, Ji-Young Kwon
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Publication number: 20140295085Abstract: A method for manufacturing a donor substrate according to an exemplary embodiment of the present invention includes: providing a base member; forming a coating layer on one surface of the base member; hardening the coating layer; and detaching the coating layer from the base member.Type: ApplicationFiled: July 12, 2013Publication date: October 2, 2014Inventors: Ji-Myoung YE, Sang-Woo PYO, Ji-Hwan YOON, Ha-Jin SONG, Byeong-Wook YOO, Bum-Suk LEE, Ji-Young KWON
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Publication number: 20140284566Abstract: An organic light-emitting device including a first light-emitting region, a second light-emitting region, and a third light-emitting region. The organic light-emitting device includes a substrate; a first electrode layer on the substrate; a hole injection layer on the first electrode layer; a common emission layer on the hole injection layer; a first resonance assistance layer on the common emission layer in the first light-emitting region and a second resonance assistance layer on the common emission layer in the second light-emitting region.Type: ApplicationFiled: September 14, 2013Publication date: September 25, 2014Inventors: Byeong-Wook Yoo, Sang-Woo Pyo, Ha-Jin Song, Hyo-Yeon Kim, Hye-Yeon Shim, Ji-Young Kwon, Heun-Seung Lee, Ji-Hwan Yoon