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公开(公告)号：US20240324260A1
公开(公告)日：2024-09-26
申请号：US18422612
申请日：2024-01-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chul Joon HEO , Kyung Bae PARK , Jeong Il PARK , Daiki MINAMI , Hwijoung SEO , Sungyoung YUN , Younhee LIM , Juhyung LIM
IPC: H10K39/34 , G06V40/13 , H10K59/123 , H10K59/35
CPC classification number: H10K39/34 , G06V40/1318 , H10K59/123 , H10K59/35
Abstract: Disclosed are a display panel and an electronic device. The display panel may include a substrate, first, second, and third light emitting diodes on the substrate and configured to emit light of first, second, and third wavelength spectra in a visible light wavelength spectrum, respectively, and first, second, third organic photoelectric conversion diodes overlapping the first, second, and third light emitting diode along a thickness direction of the substrate, respectively, may be provided. Each of first, second, third organic photoelectric conversion diodes may be configured to selectively absorb a portion of the visible light wavelength spectrum and convert the absorbed light into an electrical signal.
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公开(公告)号：US20220406855A1
公开(公告)日：2022-12-22
申请号：US17744084
申请日：2022-05-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung Bae PARK , Sung Young YUN , Chul Joon HEO , Hyeong-Ju KIM , Feifei FANG , Taejin CHOI
Abstract: A sensor embedded display panel includes a substrate, a light emitting element on the substrate and including an emission layer; and a photoelectric element on the substrate. The photoelectric element includes a light absorbing layer. The light absorbing layer at least partially overlaps the emission layer in a horizontal direction extending in parallel to an upper surface of the substrate. The light emitting element and the photoelectric element each include a separate portion of a first common auxiliary layer that extends on tops of the emission layer and the light absorbing layer and a separate portion of a second common auxiliary layer that extends on bottoms of the emission layer and the light absorbing layer. The photoelectric element further includes an auxiliary layer that has a thickness corresponding to one of a red wavelength spectrum, a green wavelength spectrum, or a blue wavelength spectrum.
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公开(公告)号：US20220261584A1
公开(公告)日：2022-08-18
申请号：US17512989
申请日：2021-10-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chul Joon HEO , Kyung Bae PARK , Sung Young YUN , Taejin CHOI , Feifei FANG , Myungsun SIM , Sung Hun LEE
Abstract: A sensor-embedded display panel includes a substrate, first, second, and third light emitting elements on the substrate, the first, second, and third light emitting elements including separate, respective light emitting layers, and a light absorbing layer on the substrate, the light absorbing layer being in parallel with the light emitting layer along the surface direction of the substrate, wherein the first, second, and third light emitting elements and the light absorption sensor include a first common auxiliary layer that is continuously disposed on the light emitting layers and the light absorbing layer, and a common electrode on the first common auxiliary layer and configured to apply a common voltage to the first, second, and third light emitting elements and the light absorption sensor, and the light absorption sensor includes an n-type semiconductor layer between the light absorbing layer and the first common auxiliary layer and including an n-type semiconductor.
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公开(公告)号：US20220075981A1
公开(公告)日：2022-03-10
申请号：US17464100
申请日：2021-09-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung Bae PARK , Sung Han KIM , Sung Young YUN , Seon-Jeong LIM , Chul Joon HEO
Abstract: An electronic device includes a display panel and a biometric sensor. The display panel includes a light emitter. The biometric sensor is stacked with the display panel and is configured to detect light emitted from the display panel and reflected by a recognition target that is external to the electronic device. The biometric sensor includes a silicon substrate and a photoelectric conversion element on the silicon substrate. The photoelectric conversion element includes a photoelectric conversion layer having wavelength selectivity.
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公开(公告)号：US20210273180A1
公开(公告)日：2021-09-02
申请号：US17157044
申请日：2021-01-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung Bae PARK , Sung Jun PARK , Feifei FANG , Sung Young YUN , Seon-Jeong LIM , Youn Hee LIM , Chul Joon HEO
IPC: H01L51/00
Abstract: Disclosed are a photoelectric conversion device and an organic sensor and an electronic device including the same. The photoelectric conversion device includes a first and a second electrode, a photoelectric conversion layer between the first and the second electrode and configured to absorb light in at least one portion of a wavelength spectrum and to convert the absorbed light into an electric signal, and a buffer layer between the second electrode and the photoelectric conversion layer and including a mixture of at least two materials. The mixture includes a first and a second material. The first material has an energy bandgap of at least about 3.2 eV and a HOMO energy level of at least about 6.0 eV. The second material has an energy bandgap of less than or equal to about 2.8 eV and a HOMO energy level of at least about 6.0 eV.
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Patent Agency Ranking
公开(公告)号：US20210257420A1
公开(公告)日：2021-08-19
申请号：US17227845
申请日：2021-04-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung Bae PARK , Sung Young YUN , Gae Hwang LEE , Yong Wan JIN , Chul Joon HEO
IPC: H01L27/32 , H01L31/105
Abstract: An OLED display panel may include a substrate, an OLED light emitter on the substrate and configured to emit light, and a visible light sensor on the substrate and configured to detect at least a portion of the emitted light based on reflection of the portion of the emitted light from a recognition target. The visible light sensor is in a non-light emitting region adjacent to the OLED light emitter so as to be horizontally aligned with the OLED light emitter in a horizontal direction extending parallel to an upper surface of the substrate, or between the substrate and a non-light emitting region adjacent to the OLED light emitter such that the visible light sensor is vertically aligned with the non-light emitting region in a vertical direction extending perpendicular to the upper surface of the substrate.
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公开(公告)号：US20190173032A1
公开(公告)日：2019-06-06
申请号：US16178691
申请日：2018-11-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyung Bae PARK , Takkyun RO , Kiyohiko TSUTSUMI , Chul Joon HEO , Yong Wan JIN
Abstract: A photoelectric device includes a first photoelectric conversion layer including a heterojunction that includes a first p-type semiconductor and a first n-type semiconductor, a second photoelectric conversion layer on the first photoelectric conversion layer and including a heterojunction that includes a second p-type semiconductor and a second n-type semiconductor. A peak absorption wavelength (λmax1) of the first photoelectric conversion layer and a peak absorption wavelength (λmax2) of the second photoelectric conversion layer are included in a common wavelength spectrum of light that is one wavelength spectrum of light of a red wavelength spectrum of light, a green wavelength spectrum of light, a blue wavelength spectrum of light, a near infrared wavelength spectrum of light, or an ultraviolet wavelength spectrum of light, and a light-absorption full width at half maximum (FWHM) of the second photoelectric conversion layer is narrower than an FWHM of the first photoelectric conversion layer.
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公开(公告)号：US20160065913A1
公开(公告)日：2016-03-03
申请号：US14660383
申请日：2015-03-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyung Bae PARK , Gae Hwang LEE , Kwang Hee LEE , Yong Wan JIN , Chul Joon HEO
IPC: H04N9/04
CPC classification number: H04N5/374 , H01L27/14621 , H01L27/14627 , H01L27/14636 , H01L27/14647 , H04N9/045
Abstract: A stacked image sensor includes a substrate including a first photoelectric conversion device, a second photoelectric conversion device and a first color signal storing device disposed between the first photoelectric conversion device and the second photoelectric conversion device. A second color filter and a third color filter are disposed at positions corresponding to the first photoelectric conversion device and the second photoelectric conversion device on the substrate. A conductive connecting member is disposed between the second color filter and the third color filter. A first color sensing photoelectric conversion device is disposed on the second color filter, the third color filter, and the conductive connecting member. The cross-sectional area of conductive connecting member is at least greater than the cross-sectional area of the first color signal storing device.
Abstract translation: 堆叠图像传感器包括：基板，包括第一光电转换装置，第二光电转换装置和设置在第一光电转换装置和第二光电转换装置之间的第一颜色信号存储装置。 第二滤色器和第三滤色器设置在与基板上的第一光电转换元件和第二光电转换元件对应的位置上。 导电连接构件设置在第二滤色器和第三滤色器之间。 第一彩色感测光电转换装置设置在第二滤色器，第三滤色器和导电连接件上。 导电连接构件的横截面积至少大于第一颜色信号存储装置的横截面面积。
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公开(公告)号：US20240324393A1
公开(公告)日：2024-09-26
申请号：US18605134
申请日：2024-03-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungyoung YUN , Kyung Bae PARK , Chul Joon HEO , Hwijoung SEO
IPC: H10K59/65 , G06V40/13 , H10K59/35 , H10K59/80 , H10K102/00
CPC classification number: H10K59/65 , G06V40/1318 , H10K59/353 , H10K59/80518 , H10K2102/351
Abstract: A sensor-embedded display panel includes a substrate, a plurality of light emitting elements on the substrate and configured to emit light of different wavelength spectra belonging to the visible light wavelength spectrum, and a plurality of sensors on the substrate and configured to selectively sense light of any one of a green wavelength spectrum and a red wavelength spectrum. Each of the sensors includes a photoelectric conversion layer that includes a first wavelength-selective photoelectric conversion material having a first maximum absorption wavelength in a wavelength range of about 500 nm to about 600 nm and a thickness of the buffer layer is about 20 nm to about 50 nm, or the photoelectric conversion layer includes a second wavelength-selective photoelectric conversion material having a second maximum absorption wavelength in a wavelength range of greater than about 600 nm and less than about 750 nm and a thickness of the buffer layer is about 70 nm to about 110 nm.
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公开(公告)号：US20220367570A1
公开(公告)日：2022-11-17
申请号：US17726027
申请日：2022-04-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyeongju KIM , Jisoo SHIN , Sung Young YUN , Kyung Bae PARK , Jeong Il PARK , Taejin CHOI , Chul Joon HEO
IPC: H01L27/28 , C07D471/06 , C07D493/06 , C07D421/04 , C07D471/04 , C07D471/14 , C07D421/14 , C07D517/04 , C07F7/08 , C07F7/30 , C07D487/04 , C07F5/02 , C07D517/22
Abstract: A sensor-embedded display panel includes a substrate, a light emitting element on the substrate and including a light emitting layer, and a light absorption sensor on the substrate and including a light absorbing layer arranged in parallel with the light emitting layer along an in-plane direction of the substrate. The light absorbing layer is configured to absorb light of a red wavelength spectrum, a green wavelength spectrum, a blue wavelength spectrum, or any combination thereof. The light emitting layer includes a first organic material and the light absorbing layer includes a second organic material. A difference between respective sublimation temperatures of the first and second organic materials is less than or equal to about 150° C., wherein each sublimation temperature is a temperature at which a weight reduction of 10% relative to the initial weight occurs during thermogravimetric analysis under an ambient pressure of about 10 Pa or less.
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