Patents by Inventor Yeon Shil Jung
Yeon Shil Jung 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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Publication number: 20240057437Abstract: A display device includes: a substrate including a display area at a front surface and a non-display area at a periphery of the display area, wherein the non-display area includes a bending area having at least a portion bent toward a rear surface; a first metal layer on the substrate, the first metal layer overlapping with a contact hole at an out side of the bending area in the non-display area; a first via layer as an organic layer, located over the first metal layer, the first via layer including the contact hole; a second metal layer on the first via layer, the second metal layer being electrically connected to the first metal layer in the contact hole; and an inorganic layer on the second metal layer, wherein at least a portion of one side end of the inorganic layer, which is in the non-display area, is at an outside of the bending area and an area on the contact hole.Type: ApplicationFiled: June 22, 2023Publication date: February 15, 2024Inventors: Hae Goo JUNG, Yeon Shil JUNG, Soo Kyung KIM, Yeon Ji BAE
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Publication number: 20230368709Abstract: A display device includes a substrate including a display area, a hole area, a peripheral area, and a bending area, a printed circuit board disposed on the pad area, a first hole crack detection line and a second hole crack detection line disposed in the peripheral area and extending to the bending area and the pad area, a first transistor including a gate electrode connected to a first signal line to apply a first signal, a first electrode, and a second electrode connected to the first hole crack detection line, and a second transistor including a gate electrode connected to a second signal line to receive a second signal, a first electrode connected to a high voltage line applying a high voltage, and a second electrode connected to the first hole crack detection line.Type: ApplicationFiled: December 15, 2022Publication date: November 16, 2023Inventors: HAEGOO JUNG, YEON-SHIL JUNG
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Publication number: 20230309352Abstract: A display device includes: a substrate including a display area, a bending area spaced apart from the display area, and a peripheral area between the display area and the bending area; a dummy pattern on the substrate in the peripheral area; a bank on the dummy pattern in the peripheral area and exposing a portion of the dummy pattern; and a light emitting diode on the substrate in the display area.Type: ApplicationFiled: January 30, 2023Publication date: September 28, 2023Inventors: HAEGOO JUNG, SANGHYUN LEE, YEON-SHIL JUNG
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Patent number: 11499936Abstract: A sensor includes: a hole; a sensing area formed around the hole, wherein at least one sensor is in the sensing area; and a crack detector configured to output a first crack signal if a comparison value obtained by comparing a detected value from the at least one sensor with a reference value exceeds an error range.Type: GrantFiled: November 26, 2019Date of Patent: November 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Il Hun Jeong, Yeon Shil Jung, Hwan Woo Lee, Hae Goo Jung
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Patent number: 11282440Abstract: A display device includes: a display panel including a pixel electrically connected to each of a data line, a first power line, a second power line, and a third power line; a power supply to provide a first power voltage to the first power line, and a second power voltage to the second power line; and a driver to provide a data voltage to the data line, and a third power voltage to the third power line. The driver is to determine whether a sensing voltage measured at the second power line is out of a reference range, and to limit the supply of the third power voltage when the sensing voltage is out of the reference range.Type: GrantFiled: August 31, 2020Date of Patent: March 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Il Hun Jeong, Hai Jung In, Yeon Shil Jung, Hae Goo Jung
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Publication number: 20210264847Abstract: A display device includes: a display panel including a pixel electrically connected to each of a data line, a first power line, a second power line, and a third power line; a power supply to provide a first power voltage to the first power line, and a second power voltage to the second power line; and a driver to provide a data voltage to the data line, and a third power voltage to the third power line. The driver is to determine whether a sensing voltage measured at the second power line is out of a reference range, and to limit the supply of the third power voltage when the sensing voltage is out of the reference range.Type: ApplicationFiled: August 31, 2020Publication date: August 26, 2021Inventors: Il Hun JEONG, Hai Jung IN, Yeon Shil JUNG, Hae Goo JUNG
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Publication number: 20200278312Abstract: A sensor includes: a hole; a sensing area formed around the hole, wherein at least one sensor is in the sensing area; and a crack detector configured to output a first crack signal if a comparison value obtained by comparing a detected value from the at least one sensor with a reference value exceeds an error range.Type: ApplicationFiled: November 26, 2019Publication date: September 3, 2020Inventors: Il Hun JEONG, Yeon Shil JUNG, Hwan Woo LEE, Hae Goo JUNG
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Patent number: 10714705Abstract: A display device may include a first substrate, a second substrate, a light emitting structure, a seal member, a seal structure, a pad electrode, and a connection wire. The second substrate may overlap the first substrate. The light emitting structure may be positioned between the first substrate and the second substrate. The seal member may be positioned between the first substrate and the second substrate. The seal structure may be spaced from the seal member. A section of the seal member may be positioned between the light emitting structure and the seal structure. The seal structure may be positioned between the seal member and the pad electrode. The connection wire may electrically connect the seal structure and the pad electrode.Type: GrantFiled: November 18, 2019Date of Patent: July 14, 2020Assignee: Samsung Display Co., Ltd.Inventors: Haegoo Jung, Hwan Woo Lee, Yeon-Shil Jung, Boock Jang
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Publication number: 20200176707Abstract: A display device may include a first substrate, a second substrate, a light emitting structure, a seal member, a seal structure, a pad electrode, and a connection wire. The second substrate may overlap the first substrate. The light emitting structure may be positioned between the first substrate and the second substrate. The seal member may be positioned between the first substrate and the second substrate. The seal structure may be spaced from the seal member. A section of the seal member may be positioned between the light emitting structure and the seal structure. The seal structure may be positioned between the seal member and the pad electrode. The connection wire may electrically connect the seal structure and the pad electrode.Type: ApplicationFiled: November 18, 2019Publication date: June 4, 2020Inventors: Haegoo JUNG, Hwan Woo LEE, Yeon-Shil JUNG, Boock JANG
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Patent number: 10490132Abstract: In an embodiment of the present invention, a display device includes a display unit including a plurality of pixels, a first power supply unit configured to supply a first power voltage to the display unit, and a second power supply unit configured to cyclically supply a second power voltage to the display unit during a frame period.Type: GrantFiled: August 24, 2016Date of Patent: November 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sung Un Park, Tae Wook Kim, Hyung Min Shin, Ju Bong An, Yeon Shil Jung
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Patent number: 10210808Abstract: A luminance controller according to example embodiments includes a gamma set selector to select a reference gamma set from among first through N-th gamma sets respectively corresponding to first through N-th reference luminances, based on a target luminance of a display panel; an initialization voltage selector to select an initialization voltage corresponding to the reference gamma set, from among first through N-th initialization voltage offsets respectively corresponding to the first through N-th gamma sets; a common voltage selector to select a common voltage corresponding to the reference gamma set from among first through N-th common voltage offsets respectively corresponding to the first through N-th gamma sets; and a determiner to determine a target initialization voltage based on the target luminance and the initialization voltage, and to determine a target common voltage based on the target luminance and the common voltage.Type: GrantFiled: December 23, 2016Date of Patent: February 19, 2019Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Shil Jung, Young-Seob Kim, Ji-Yun Son, Eun-Jung Oh, Deok-Jun Choi
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Patent number: 10134324Abstract: A device for correcting gamma set data includes a memory, voltage calculator, and a corrector. The memory stores high gamma set data including first register values set per grayscale and low gamma set data including second register values set per grayscale and reference register value. The voltage calculator calculates a reference voltage value of the low gamma set data based on the reference register value and calculates fixed voltage values per grayscale of the low gamma set data based on the second register values. The corrector compares the first register values with the second register values and corrects the second register values based on a comparison result.Type: GrantFiled: November 17, 2016Date of Patent: November 20, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Wook Kim, Yeon Shil Jung
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Patent number: 10043434Abstract: A gamma voltage generator includes a reference gamma selector, a reference gamma converter, and a gamma curve adjuster. The reference gamma selector selects a top reference gamma voltage and a bottom reference gamma voltage that are between first and second reference voltages. The reference gamma converter converts the bottom reference gamma voltage to a conversion reference gamma voltage based on the top reference gamma voltage. The gamma curve adjuster generates a plurality of grayscale gamma voltages based on the conversion reference gamma voltage and the top reference gamma voltage.Type: GrantFiled: May 9, 2016Date of Patent: August 7, 2018Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Shil Jung, Tae-Wook Kim
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Patent number: 10043452Abstract: An organic light emitting display device includes a display panel, a scan driver, a data driver, a power supply which provides a first voltage to a first power terminal of the pixel and selectively provides the first voltage or a second voltage to a second power terminal of the pixel, and a controller which selects one of a normal driving mode and a power saving mode as a panel driving mode where the power supply provides the second voltage to the second power terminal of the pixel in a first period of one frame period and provides the first voltage to the second power terminal of the pixel in a second period of one frame period when the panel driving mode is the power saving mode.Type: GrantFiled: August 15, 2016Date of Patent: August 7, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yeon-Shil Jung, Hyung-Min Shin, Ji-Tae Kim, Tae-Wook Kim, Sung-Un Park, Kyung-Ho Hwang
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Publication number: 20170186375Abstract: A luminance controller according to example embodiments includes a gamma set selector to select a reference gamma set from among first through N-th gamma sets respectively corresponding to first through N-th reference luminances, based on a target luminance of a display panel; an initialization voltage selector to select an initialization voltage corresponding to the reference gamma set, from among first through N-th initialization voltage offsets respectively corresponding to the first through N-th gamma sets; a common voltage selector to select a common voltage corresponding to the reference gamma set from among first through N-th common voltage offsets respectively corresponding to the first through N-th gamma sets; and a determiner to determine a target initialization voltage based on the target luminance and the initialization voltage, and to determine a target common voltage based on the target luminance and the common voltage.Type: ApplicationFiled: December 23, 2016Publication date: June 29, 2017Inventors: Yeon-Shil JUNG, Young-Seob KIM, Ji-Yun SON, Eun-Jung OH, Deok-Jun CHOI
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Publication number: 20170169752Abstract: A device for correcting gamma set data includes a memory, voltage calculator, and a corrector. The memory stores high gamma set data including first register values set per grayscale and low gamma set data including second register values set per grayscale and reference register value. The voltage calculator calculates a reference voltage value of the low gamma set data based on the reference register value and calculates fixed voltage values per grayscale of the low gamma set data based on the second register values. The corrector compares the first register values with the second register values and corrects the second register values based on a comparison result.Type: ApplicationFiled: November 17, 2016Publication date: June 15, 2017Inventors: Tae Wook KIM, Yeon Shil JUNG
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Publication number: 20170116922Abstract: An organic light emitting display device includes a display panel, a scan driver, a data driver, a power supply which provides a first voltage to a first power terminal of the pixel and selectively provides the first voltage or a second voltage to a second power terminal of the pixel, and a controller which selects one of a normal driving mode and a power saving mode as a panel driving mode where the power supply provides the second voltage to the second power terminal of the pixel in a first period of one frame period and provides the first voltage to the second power terminal of the pixel in a second period of one frame period when the panel driving mode is the power saving mode.Type: ApplicationFiled: August 15, 2016Publication date: April 27, 2017Inventors: Yeon-Shil JUNG, Hyung-Min SHIN, Ji-Tae KIM, Tae-Wook KIM, Sung-Un PARK, Kyung-Ho HWANG
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Publication number: 20170061885Abstract: In an embodiment of the present invention, a display device includes a display unit including a plurality of pixels, a first power supply unit configured to supply a first power voltage to the display unit, and a second power supply unit configured to cyclically supply a second power voltage to the display unit during a frame period.Type: ApplicationFiled: August 24, 2016Publication date: March 2, 2017Inventors: Sung Un Park, Tae Wook Kim, Hyung Min Shin, Ju Bong An, Yeon Shil Jung
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Publication number: 20170053581Abstract: A gamma voltage generator includes a reference gamma selector, a reference gamma converter, and a gamma curve adjuster. The reference gamma selector selects a top reference gamma voltage and a bottom reference gamma voltage that are between first and second reference voltages. The reference gamma converter converts the bottom reference gamma voltage to a conversion reference gamma voltage based on the top reference gamma voltage. The gamma curve adjuster generates a plurality of grayscale gamma voltages based on the conversion reference gamma voltage and the top reference gamma voltage.Type: ApplicationFiled: May 9, 2016Publication date: February 23, 2017Inventors: Yeon-Shil JUNG, Tae-Wook KIM
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Publication number: 20170038859Abstract: A watch may include a display, a bezel, and a controller. The bezel may be positioned at a periphery of the display and may include a bezel touch sensor set. The bezel touch sensor set may receive a first touch without moving with respect to any other part of the bezel and may generate first touch information in response to the first touch. The controller may be electrically connected to each of the bezel touch sensor set and the display and may use the first touch information to generate a first control signal for controlling the display.Type: ApplicationFiled: April 13, 2016Publication date: February 9, 2017Inventors: Na Ri PARK, Ju-Bong AN, Hyun-Uk OH, Yeon-Shil JUNG