公开(公告)号：EP4102574A1

公开(公告)日：2022-12-14

申请号：EP22174568.0

申请日：2022-05-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： HEO, Chul Joon ,  PARK, Kyung Bae ,  YUN, Sung Young ,  KIM, Hyeongju ,  FANG, Feifei ,  SEO, Hwijoung ,  LIM, Juhyung ,  CHOI, Taejin

IPC: H01L27/32 ,  H01L51/42 ,  H01L51/50

Abstract: A sensor-embedded display panel includes a substrate (110), a light emitting element (210, 220, 230) on the substrate and including a light emitting layer (212, 222, 232), and a photosensor (300) on the substrate and including a photoelectric conversion layer (330) in parallel with the light emitting layer (212, 222, 232) along an in-plane direction of the substrate, wherein the light emitting element (210, 220, 230) and the photosensor (300) each include a separate portion of a first common auxiliary layer (340) that is a single piece of material that extends continuously on the light emitting layer (212, 222, 232) and the photoelectric conversion layer (330), and a separate portion of a common electrode (320) on the first common auxiliary layer (340) and is configured to apply a common voltage to both the light emitting element (210, 220, 230) and the photosensor (330), and the photoelectric conversion layer (330) includes a sequential stack from the first common auxiliary layer of a first n-type semiconductor layer, a second n-type semiconductor layer, and a p-type semiconductor layer.

公开(公告)号：EP4099390A1

公开(公告)日：2022-12-07

申请号：EP22176348.5

申请日：2022-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： PARK, Kyung Bae ,  YUN, Sung Young ,  HEO, Chul Joon ,  KIM, Hyeongju ,  FANG, Feifei ,  CHOI, Taejin

IPC: H01L27/32 ,  H01L51/52

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.

公开(公告)号：EP3965072A1

公开(公告)日：2022-03-09

申请号：EP21194685.0

申请日：2021-09-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： PARK, Kyung Bae ,  KIM, Sung Han ,  YUN, Sung Young ,  LIM, Seon-Jeong ,  HEO, Chul Joon

IPC: G06V40/13

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.

公开(公告)号：EP3819952A1

公开(公告)日：2021-05-12

申请号：EP20204869.0

申请日：2020-10-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： HONG, Hye Rim ,  CHOI, Taejin ,  HEO, Chul Joon ,  PARK, Kyung Bae ,  LIM, Seon-Jeong

IPC: H01L51/00 ,  H01L51/42

Abstract: Disclosed are a photoelectric conversion device includes a first electrode and a second electrode, a photoelectric conversion layer between the first electrode and the second electrode, the photoelectric conversion layer including a p-type semiconductor and an n-type semiconductor, and an organic buffer layer between the first electrode and the photoelectric conversion layer, the organic buffer layer including an organic buffer material, wherein a difference between a LUMO energy level of the organic buffer material and a LUMO energy level of the n-type semiconductor is greater than or equal to about 1.2 eV and the organic buffer material includes at least three carbazole moieties, and a sensor, and an electronic device including the same.

公开(公告)号：EP3493262A3

公开(公告)日：2019-11-06

申请号：EP18207585.3

申请日：2018-11-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： PARK, Kyung Bae ,  RO, Takkyun ,  TSUTSUMI, Kiyohiko ,  HEO, Chul Joon ,  JIN, Yong Wan

IPC: H01L27/30 ,  H01L51/46

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 (λ max1 ) of the first photoelectric conversion layer and a peak absorption wavelength (λ max2 ) 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 a light-absorption FWHM of the first photoelectric conversion layer.

公开(公告)号：EP3547072A1

公开(公告)日：2019-10-02

申请号：EP18187123.7

申请日：2018-08-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： HEO, Chul Joon ,  PARK, Kyung Bae ,  JIN, Yong Wan

IPC: G06F1/16 ,  A61B5/021 ,  A61B5/024 ,  A61B5/1455 ,  H04M1/02

Abstract: An electronic device may include an edge touch screen including a main display region and an edge display region extending from the main display region each including one or more of red pixels, near infrared ray pixels, and sensor pixels for detecting light with different wavelengths; and a controller configured to, drive the edge touch screen in response to a touch input for the edge display region being maintained for a set time by instructing at least one selected red pixel of the red pixels and at least one selected near infrared ray pixel of the near infrared ray pixels corresponding to a position of the touch input to emit light, and measure biometrics based on light amounts of light of different wavelengths received from at least one selected sensor pixel of the sensor pixels corresponding to the position of the touch input.

公开(公告)号：EP3529748A1

公开(公告)日：2019-08-28

申请号：EP17885329.7

申请日：2017-11-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： JEONG, Su Ryong ,  PARK, Kyung Bae ,  SUNG, Woon Tahk ,  YOON, Yeong Seong ,  HONG, Tae Hwa

IPC: G06K9/00 ,  H04N5/225 ,  H04N5/235

公开(公告)号：EP4458829A1

公开(公告)日：2024-11-06

申请号：EP24172844.3

申请日：2024-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： LIM, Younhee ,  KIM, Hyeong-Ju ,  FANG, Feifei ,  YI, Jeoung In ,  PARK, Kyung Bae ,  PARK, Jeong Il ,  CHOI, Tae Jin

IPC: C07D495/04 ,  H10K30/30 ,  H10K39/32 ,  H10K85/60

Abstract: A compound represented by Chemical Formula 1 is provided.

The compound has a reorganization energy of less than about 0.191 eV and a maximum absorption wavelength value calculated by density functional theory (DFT) of less than or equal to about 500 nm.
The compound is for use as materials in photoelectronic devices and image sensors.

公开(公告)号：EP3961737A1

公开(公告)日：2022-03-02

申请号：EP21192841.1

申请日：2021-08-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： KIM, Hyeong-Ju ,  HONG, Hye Rim ,  PARK, Kyung Bae ,  PARK, Jeong Il ,  YUN, Sung Young ,  LIM, Seon-Jeong ,  LIM, Youn Hee ,  CHOI, Taejin

IPC: H01L51/00 ,  C07D421/14 ,  C09K11/06

Abstract: A composition for a photoelectric device includes a p-type semiconductor compound represented by Chemical Formula 1 and an n-type semiconductor compound, and an image sensor and an electronic device including the same:

In Chemical Formula 1, each substituent is the same as defined in the detailed description.

公开(公告)号：EP3890025A1

公开(公告)日：2021-10-06

申请号：EP21166067.5

申请日：2021-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： LIM, Seon-Jeong ,  KIM, Hyeong-Ju ,  PARK, Kyung Bae ,  YUN, Sung Young ,  CHOI, Taejin ,  HEO, Chul Joon

IPC: H01L27/30

Abstract: An image sensor includes first and second organic photoelectric conversion devices stacked in a vertical direction and configured to selectively absorb light in a part of visible wavelength spectrum and non-selectively absorb light in the visible wavelength spectrum, respectively. The first organic photoelectric conversion device may selectively absorb light in a blue wavelength spectrum, and the second organic photoelectric conversion device may selectively absorb light in a green wavelength spectrum. The image sensor may have stacked organic photoelectric conversion devices configured to selectively absorb light in a red wavelength spectrum and a green wavelength spectrum, respectively.