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公开(公告)号：US09806276B2
公开(公告)日：2017-10-31
申请号：US15189739
申请日：2016-06-22
Applicant: LG DISPLAY CO., LTD.
Inventor： Younseok Kam , Chang Wook Han , Hongseok Choi , SoYeon Ahn , Taeshick Kim , Mingyu Lee
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/3244 , H01L51/5004 , H01L51/5056 , H01L51/5064 , H01L51/5265 , H01L51/5278 , H01L2251/552 , H01L2251/558
Abstract: Disclosed is an organic light emitting display (OLED) apparatus with improved efficiency and lifespan, wherein the OLED apparatus includes an anode, a cathode, and a light-emitting unit disposed in-between, wherein the light-emitting unit includes a first emission layer, and a first hole transporting layer having first and second materials, wherein the first material has a higher hole mobility than that of the second material so as to improve a transfer of holes from the first hole transporting layer to the first emission layer, and the second material has a higher triplet energy level than that of the first material so as to reduce a transfer of electrons from the first emission layer to the first hole transporting layer.
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公开(公告)号：US09705102B2
公开(公告)日：2017-07-11
申请号：US14720405
申请日：2015-05-22
Applicant: LG Display Co., Ltd.
Inventor： So Yeon Ahn , Chang Wook Han , Hong Seok Choi , Seung Ryong Joung , Jung Soo Park , Min Gyu Lee
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L51/5044 , H01L51/5278 , H01L2251/552
Abstract: Disclosed is a white organic light emitting device. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one of the first to third emission parts includes at least two emission layers including a red emission layer, and a position of the red emission layer is set to enhance a color reproduction rate and at least one of red efficiency, green efficiency, and blue efficiency.
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公开(公告)号：US10177330B2
公开(公告)日：2019-01-08
申请号：US14873414
申请日：2015-10-02
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US09825245B2
公开(公告)日：2017-11-21
申请号：US14885542
申请日：2015-10-16
Applicant: LG DISPLAY CO., LTD.
Inventor： Youn Seok Kam , Chang Wook Han , Jae Man Lee , Se Ung Kim
CPC classification number: H01L51/504 , H01L27/3209 , H01L27/322 , H01L27/3244 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5278 , H01L2251/5376
Abstract: An organic light emitting diode and an organic light emitting display apparatus using the organic light emitting diode are provided. The organic light emitting diode includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode to emit white light, and the organic layer is configured to emit white light in which an X-axis coordinate value in a color coordinate system is equal to or greater than 0.29, a Y-axis coordinate value in the color coordinate system is in a range of 0.32 to 0.45, and the Y-axis coordinate value in the color coordinate system is equal to or greater than the X-axis coordinate value in the color coordinate system.
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5.发明申请公开(公告)号：US20130161595A1
公开(公告)日：2013-06-27
申请号：US13706572
申请日：2012-12-06
Applicant: LG Display Co., Ltd.
Inventor： Hwa Kyung Kim , Byung Chul Ahn , Chang Wook Han , Woo Jin Nam , Hong Seok Choi , Yoon Heung Tak , Shinji Takasugi
CPC classification number: H01L27/3216 , H01L27/3213
Abstract: Provided are a method of manufacturing an organic light emitting display device and an organic light emitting display device manufactured by the method. The method includes calculating a peak-luminance current density for each of a red sub-pixel, a blue sub-pixel, a green sub-pixel, and a white sub-pixel, calculating an average use current density for each of the red sub-pixel, blue sub-pixel, green sub-pixel, and white sub-pixel; determining a size of each sub-pixel with the peak-luminance current density and the average use current density, and forming the sub-pixels with the determined sizes of the respective sub-pixels. The present invention sets the size of each sub-pixel in consideration of a peak-luminance current density and an average use current density, thus easily achieving the peak luminance and enhancing the color-coordinate life.
Abstract translation: 提供一种制造有机发光显示装置的方法和通过该方法制造的有机发光显示装置。 该方法包括计算红色子像素，蓝色子像素，绿色子像素和白色子像素中的每一个的峰值亮度电流密度，计算每个红色子像素的平均使用电流密度 像素，蓝色子像素，绿色子像素和白色子像素; 使用峰值亮度电流密度和平均使用电流密度来确定每个子像素的尺寸，以及用所确定的各个子像素的尺寸形成子像素。 考虑到峰值亮度电流密度和平均使用电流密度，本发明设定每个子像素的尺寸，因此容易实现峰值亮度并提高颜色坐标寿命。
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Patent Agency Ranking
公开(公告)号：US10985338B2
公开(公告)日：2021-04-20
申请号：US17016007
申请日：2020-09-09
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US09960379B2
公开(公告)日：2018-05-01
申请号：US15618017
申请日：2017-06-08
Applicant: LG Display Co., Ltd.
Inventor： Mi-Young Han , Chang Wook Han , Tae Il Kum , Gwi Jeong Cho , Tae Shick Kim , Se Ung Kim , Hee Dong Choi
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265 , H01L51/5278
Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
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公开(公告)号：US20160118611A1
公开(公告)日：2016-04-28
申请号：US14804124
申请日：2015-07-20
Applicant: LG Display Co., Ltd.
Inventor： Mi-Young Han , Chang Wook Han , Tae Il Kum , Gwi Jeong Cho , Tae Shick Kim , Se Ung Kim , Hee Dong Choi
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265 , H01L51/5278
Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.
Abstract translation: 公开了一种用于增强发光效率和彩色视角或颜色再现速率的白色有机发光器件。 白色有机发光器件包括在第一电极和第二电极之间的第一发射部分，第一发射部分具有第一发射层，第一发射部分上的第二发射部分，第二发射部分具有第二发光层， 以及在第二发射部分上的第三发射部分，第三发射部分具有第三发射层。 第一至第三发光层的至少两个发射层发射具有相同颜色的光，以提高发射效率和彩色视角，并且至少两个发射层彼此相邻。
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9.发明授权公开(公告)号：US08766292B2
公开(公告)日：2014-07-01
申请号：US13706572
申请日：2012-12-06
Applicant: LG Display Co., Ltd
Inventor： Hwa Kyung Kim , Byung Chul Ahn , Chang Wook Han , Woo Jin Nam , Hong Seok Choi , Yoon Heung Tak , Shinji Takasugi
IPC: H01L51/52
CPC classification number: H01L27/3216 , H01L27/3213
Abstract: Provided are a method of manufacturing an organic light emitting display device and an organic light emitting display device manufactured by the method. The method includes calculating a peak-luminance current density for each of a red sub-pixel, a blue sub-pixel, a green sub-pixel, and a white sub-pixel, calculating an average use current density for each of the red sub-pixel, blue sub-pixel, green sub-pixel, and white sub-pixel; determining a size of each sub-pixel with the peak-luminance current density and the average use current density, and forming the sub-pixels with the determined sizes of the respective sub-pixels. The present invention sets the size of each sub-pixel in consideration of a peak-luminance current density and an average use current density, thus easily achieving the peak luminance and enhancing the color-coordinate life.
Abstract translation: 提供一种制造有机发光显示装置的方法和通过该方法制造的有机发光显示装置。 该方法包括计算红色子像素，蓝色子像素，绿色子像素和白色子像素中的每一个的峰值亮度电流密度，计算每个红色子像素的平均使用电流密度 像素，蓝色子像素，绿色子像素和白色子像素; 使用峰值亮度电流密度和平均使用电流密度来确定每个子像素的尺寸，以及用所确定的各个子像素的尺寸形成子像素。 考虑到峰值亮度电流密度和平均使用电流密度，本发明设定每个子像素的尺寸，因此容易实现峰值亮度并提高颜色坐标寿命。
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公开(公告)号：US10586939B2
公开(公告)日：2020-03-10
申请号：US16421777
申请日：2019-05-24
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon Pieh , Chang Wook Han , Hong Seok Choi , Ki-Woog Song , So Yeon Ahn , Seung Hyun Kim
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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