Patents by Inventor Chi Hyun Cho

Chi Hyun Cho 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).

  • Publication number: 20240090328
    Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.
    Type: Application
    Filed: October 26, 2023
    Publication date: March 14, 2024
    Inventors: Hee-Choon AHN, Young-Kwang KIM, Su-Hyun LEE, Ji-Song JUN, Seon-Woo LEE, Chi-Sik KIM, Kyoung-Jin PARK, Nam-Kyun KIM, Kyung-Hoon CHOI, Jae-Hoon SHIM, Young-Jun CHO, Kyung-Joo LEE
  • Patent number: 11763593
    Abstract: An electronic device is provided that includes a display in which a fingerprint recognition area is formed and which includes a display pixel layer, and a rear panel, formed under the display, having a first hole. The electronic device also includes a bracket, disposed under the rear panel, having a sensor accommodating area corresponding to a fingerprint sensor. The electronic device additionally includes the fingerprint sensor disposed under the display pixel layer and adapted to acquire image information to be used for authentication of a fingerprint using at least partially light radiated from the display pixel layer and reflected by the object. The sensor accommodating area has a second hole passing through the bracket, and the fingerprint sensor is disposed in the sensor accommodating area such that an air gap between the display and the fingerprint sensor is formed at least by a portion of the second hole.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 19, 2023
    Inventors: Kyung Hoon Song, Kwang Sub Lee, Gyu Sang Cho, Yun Jang Jin, Se Young Jang, Chi Hyun Cho
  • Publication number: 20230274572
    Abstract: An electronic device is provided that includes a display in which a fingerprint recognition area is formed and which includes a display pixel layer, and a rear panel, formed under the display, having a first hole. The electronic device also includes a bracket, disposed under the rear panel, having a sensor accommodating area corresponding to a fingerprint sensor. The electronic device additionally includes the fingerprint sensor disposed under the display pixel layer and adapted to acquire image information to be used for authentication of a fingerprint using light radiated from the display pixel layer and reflected by the object. The electronic device further includes a processor adapted to display, on the display, the fingerprint recognition area when a function associated with a fingerprint recognition is executed.
    Type: Application
    Filed: May 10, 2023
    Publication date: August 31, 2023
    Inventors: Kyung Hoon SONG, Kwang Sub LEE, Gyu Sang CHO, Yun Jang JIN, Se Young JANG, Chi Hyun CHO
  • Patent number: 11700711
    Abstract: According to various embodiments of the present invention, an electronic device can comprise: a circuit board; an electronic component arranged on one surface of the circuit board; a thermal conductive member arranged so as to correspond to the upper surface of the electronic component; and a thermal interface member arranged between the electronic component and the thermal conductive member and comprising a carbon fiber. The electronic device can be variously implemented according to embodiments.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: July 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chung-Hyo Jung, Kang-Sik Kim, Young-San Kim, Won-Min Kim, Chi-Hyun Cho
  • Patent number: 11682229
    Abstract: An electronic device is provided that includes a display in which a fingerprint recognition area is formed and which includes a display pixel layer, and a rear panel, formed under the display, having a first hole. The electronic device also includes a bracket, disposed under the rear panel, having a sensor accommodating area corresponding to a fingerprint sensor. The electronic device additionally includes the fingerprint sensor disposed under the display pixel layer and adapted to acquire image information to be used for authentication of a fingerprint using at least partially light radiated from the display pixel layer and reflected by the object. The sensor accommodating area has a second hole passing through the bracket, and the fingerprint sensor is disposed in the sensor accommodating area such that an air gap between the display and the fingerprint sensor is formed at least by a portion of the second hole.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: June 20, 2023
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kyung Hoon Song, Kwang Sub Lee, Gyu Sang Cho, Yun Jang Jin, Se Young Jang, Chi Hyun Cho
  • Patent number: 11555657
    Abstract: An electronic device having an improved heating state is disclosed. The disclosed electronic device can comprise: a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a printed circuit board inserted between the first surface and the second surface; an electronic component disposed on the printed circuit board; a shielding structure mounted on the printed circuit board, and including a conductive structure for at least partially surrounding the electronic device; and a heat pipe including a first end portion and a second end portion, wherein the first end portion is thermally coupled to a portion of the shielding structure, and the first end portion is disposed closer to the shielding structure than the second end portion. Additionally, other examples are possible.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: January 17, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Haejin Lee, Kyungha Koo, Chunghyo Jung, Se-Young Jang, Jungje Bang, Jaeheung Ye, Chi-Hyun Cho
  • Publication number: 20220377875
    Abstract: According to various embodiments of the present invention, an electronic device can comprise: a circuit board; an electronic component arranged on one surface of the circuit board; a thermal conductive member arranged so as to correspond to the upper surface of the electronic component; and a thermal interface member arranged between the electronic component and the thermal conductive member and comprising a carbon fiber. The electronic device can be variously implemented according to embodiments.
    Type: Application
    Filed: August 5, 2022
    Publication date: November 24, 2022
    Inventors: Chung-Hyo JUNG, Kang-Sik KIM, Young-San KIM, Won-Min KIM, Chi-Hyun CHO
  • Patent number: 11487323
    Abstract: Disclosed is an electronic device. The electronic device according to an embodiment may include an ultrasonic sensor and a processor electrically connected to the ultrasonic sensor. The processor may be configured to obtain a noise signal at a periphery of the electronic device, via the ultrasonic sensor, to determine an attribute of a first ultrasonic signal oscillated by the ultrasonic sensor, based on the obtained noise signal, and to obtain fingerprint information based on the second ultrasonic signal obtained via the ultrasonic sensor and the determined attribute. Moreover, various embodiment found through the disclosure are possible.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: November 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Geol Baek, Moon Soo Kim, Jae Hyung Park, Chi Hyun Cho, Yun Jang Jin, Ho Chul Hwang
  • Patent number: 11445637
    Abstract: According to various embodiments of the present invention, an electronic device can comprise: a circuit board; an electronic component arranged on one surface of the circuit board; a thermal conductive member arranged so as to correspond to the upper surface of the electronic component; and a thermal interface member arranged between the electronic component and the thermal conductive member and comprising a carbon fiber. The electronic device can be variously implemented according to embodiments.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chung-Hyo Jung, Kang-Sik Kim, Young-San Kim, Won-Min Kim, Chi-Hyun Cho
  • Patent number: 11275458
    Abstract: There is provided a device that includes: a display; at least one sensor disposed to be adjacent to the display; a biometric sensor disposed in at least a partial region of the display; and at least one processor, wherein the at least one processor can be set up to receive an input in the at least a partial region from an external object, by using the at least one sensor or the biometric sensor, and to obtain biometrics of the external object by using the biometric sensor on the basis, at least partially, of the input by the external object.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: March 15, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kem-Suk Seo, Bong-Jae Rhee, Sun-A Kim, Jeong-Hoo Kim, Chi-Hyun Cho
  • Patent number: 11216636
    Abstract: An electronic device is disclosed. According to an embodiment, an electronic device may comprise: a transparent member; a display panel that is disposed beneath the transparent member and comprises multiple pixels and at least one transmission area which is formed between the multiple pixels and through which light can pass; a biometric sensor which is disposed beneath the display panel and can acquire light that has been output through at least some of the multiple pixels, has been reflected by an external object near or in contact with the transparent member, and then has passed through the at least one transmission area; and a light path changing member disposed between the biometric sensor and the display panel and spaced a predetermined distance apart from the biometric sensor, the light path changing member being able to change an optical path with respect to at least a part of the light having passed through the at least one transmission area.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: January 4, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung Hoon Song, Jeong Hoo Kim, Sun A Kim, Kwang Sub Lee, Se Young Jang, Chi Hyun Cho
  • Patent number: 11178799
    Abstract: Disclosed is an electronic device including a shielding member. The electronic device includes a substrate having an electric element mounted thereon; a shield can mounted on the electric element and including an opening formed at a part facing the electric element; a shielding member mounted around a part in which the opening is formed on an outer surface of the shield can, and electrically connected to the shield can; a metal plate mounted on the shielding member, with the opening covered, and electrically connected to the shielding member; and a heat conductive member mounted in the opening and interposed between the electric element and the metal plate, and in contact with the electric element and the metal plate.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 16, 2021
    Inventors: Hae-Jin Lee, Oh-Hyuck Kwon, Min Park, Jung-Je Bang, Jae-Deok Lim, Kyung-Ha Koo, Jae-Heung Ye, Chang-Tae Kim, Chi-Hyun Cho
  • Publication number: 20210341229
    Abstract: An electronic device having an improved heating state is disclosed. The disclosed electronic device can comprise: a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a printed circuit board inserted between the first surface and the second surface; an electronic component disposed on the printed circuit board; a shielding structure mounted on the printed circuit board, and including a conductive structure for at least partially surrounding the electronic device; and a heat pipe including a first end portion and a second end portion, wherein the first end portion is thermally coupled to a portion of the shielding structure, and the first end portion is disposed closer to the shielding structure than the second end portion. Additionally, other examples are possible.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Inventors: Haejin LEE, Kyungha KOO, Chunghyo JUNG, Se-Young JANG, Jungje BANG, Jaeheung YE, Chi-Hyun CHO
  • Patent number: 11128038
    Abstract: Disclosed is an electronic device. According to an embodiment, the electronic device includes a housing that covers at least a portion of a back surface of the electronic device, a plurality of slits being formed in parallel from one end to an opposite end and the at least a portion of the housing being formed of a conductive material, a feeder that is electrically connected with at least one point of the housing, and a ground part that is electrically connected with at least one point of the housing. A part of the plurality of slits includes a section greater in width than another part of the plurality of slits. Moreover, various embodiment found through the disclosure are possible.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: September 21, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyi Hyun Jang, Kyung Kyun Kang, Ji Ho Kim, Gyu Bok Park, Kyung Moon Seol, Hyun Jeong Lee, So Young Lee, Chang Ho Lee, Chi Hyun Cho, Jae Bong Chun
  • Patent number: 11113504
    Abstract: Disclosed is an electronic device including a transparent member, a display, wherein at least part of the display is disposed under the transparent member, wherein the display includes an active area, in which a plurality of pixels capable of outputting light to display contents, a biometric sensor, wherein at least part of the biometric sensor is disposed in a first area outside the active area, and a reflector positioned to direct light reflected by an external object in contact with at least a partial area of the transparent member to the biometric sensor through at least a portion of the transparent member, wherein at least some of the plurality of pixels are positioned to irradiate the external object, thereby resulting in the light reflected by the external object.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun Jang Jin, Jeong Hoo Kim, Kyung Hoon Song, Bong Jae Rhee, Se Young Jang, Chi Hyun Cho
  • Patent number: 11098959
    Abstract: An electronic device having an improved heating state is disclosed. The disclosed electronic device can comprise: a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a printed circuit board inserted between the first surface and the second surface; an electronic component disposed on the printed circuit board; a shielding structure mounted on the printed circuit board, and including a conductive structure for at least partially surrounding the electronic device; and a heat pipe including a first end portion and a second end portion, wherein the first end portion is thermally coupled to a portion of the shielding structure, and the first end portion is disposed closer to the shielding structure than the second end portion. Additionally, other examples are possible.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: August 24, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Haejin Lee, Kyungha Koo, Chunghyo Jung, Se-Young Jang, Jungje Bang, Jaeheung Ye, Chi-Hyun Cho
  • Patent number: 11047628
    Abstract: An electronic device having an improved heating state is disclosed. The disclosed electronic device can comprise: a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a printed circuit board inserted between the first surface and the second surface; an electronic component disposed on the printed circuit board; a shielding structure mounted on the printed circuit board, and including a conductive structure for at least partially surrounding the electronic device; and a heat pipe including a first end portion and a second end portion, wherein the first end portion is thermally coupled to a portion of the shielding structure, and the first end portion is disposed closer to the shielding structure than the second end portion. Additionally, other examples are possible.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Haejin Lee, Kyungha Koo, Chunghyo Jung, Se-Young Jang, Jungje Bang, Jaeheung Ye, Chi-Hyun Cho
  • Patent number: 11037890
    Abstract: A semiconductor assembly with a package on package (POP) structure includes a first semiconductor package having a first lower substrate, a first upper substrate facing the first lower substrate, and a first semiconductor chip mounted on an area of the first lower substrate. The POP structure further includes a second semiconductor package having a second lower substrate stacked on the first semiconductor package and spaced apart from the first semiconductor package, and a second semiconductor chip mounted in an area of the second lower substrate. At least one passive element is disposed in one of the first upper substrate and the second lower substrate and electrically connected to the second semiconductor chip.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: June 15, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Cheol Bae, Chui Woo Park, Kwang Sub Lee, Sang Gyun Lee, Se Young Jang, Chi Hyun Cho
  • Publication number: 20210174048
    Abstract: An electronic device is disclosed. According to an embodiment, an electronic device may comprise: a transparent member; a display panel that is disposed beneath the transparent member and comprises multiple pixels and at least one transmission area which is formed between the multiple pixels and through which light can pass; a biometric sensor which is disposed beneath the display panel and can acquire light that has been output through at least some of the multiple pixels, has been reflected by an external object near or in contact with the transparent member, and then has passed through the at least one transmission area; and a light path changing member disposed between the biometric sensor and the display panel and spaced a predetermined distance apart from the biometric sensor, the light path changing member being able to change an optical path with respect to at least a part of the light having passed through the at least one transmission area.
    Type: Application
    Filed: October 22, 2018
    Publication date: June 10, 2021
    Inventors: Kyung Hoon SONG, Jeong Hoo KIM, Sun A KIM, Kwang Sub LEE, Se Young JANG, Chi Hyun CHO
  • Patent number: 11031788
    Abstract: An electronic device is disclosed, and includes a battery supplying power to the electronic device, a charging circuit charging the battery, and a processor. The processor is configured to obtain context information associated with charging of the battery, if the context information satisfies a first specified condition, to set a timer associated with a charging time of the charging circuit to a first time, if the context information satisfies a second specified condition, to set the timer to a second time different from the first time, and to charge the battery by using the charging circuit during the first time corresponding to the first specified condition or the second time corresponding to the second specified condition.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 8, 2021
    Inventors: Chul Woo Park, Sang Hyun Ryu, Ku Chul Jung, Se Young Jang, Chi Hyun Cho