Patents by Inventor Jeong-hwan Shin
Jeong-hwan Shin 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: 20240129648Abstract: An image sensing device includes: a control circuit coupled between an output terminal of a pixel signal and a high voltage terminal, and configured to generate a control voltage corresponding to a voltage level of the pixel signal; and a current supplying circuit coupled between the output terminal and the high voltage terminal, and configured to supply a pre-charge current, which is configured to be adaptively adjusted according to the voltage level of the pixel signal, to the output terminal based on the control voltage.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Yu Jin PARK, Nam Ryeol KIM, Kang Bong SEO, Jeong Eun SONG, Jung Soon SHIN, Seung Hwan LEE
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Patent number: 11963439Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.Type: GrantFiled: August 24, 2022Date of Patent: April 16, 2024Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
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Patent number: 11923426Abstract: A semiconductor device capable of improving a device performance and a reliability is provided. The semiconductor device comprising a gate structure including a gate electrode on a substrate, a source/drain pattern on a side face of the gate electrode, on the substrate and, a source/drain contact connected to the source/drain pattern, on the source/drain pattern, a gate contact connected to the gate electrode, on the gate electrode, and a wiring structure connected to the source/drain contact and the gate contact, on the source/drain contact and the gate contact, wherein the wiring structure includes a first via plug, a second via plug, and a wiring line connected to the first via plug and the second via plug, the first via plug has a single conductive film structure, and the second via plug includes a lower via filling film, and an upper via filling film on the lower via filling film.Type: GrantFiled: July 6, 2021Date of Patent: March 5, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Ji Won Kang, Tae-Yeol Kim, Jeong Ik Kim, Rak Hwan Kim, Jun Ki Park, Chung Hwan Shin
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Patent number: 11898965Abstract: An inspection apparatus for a display module includes a seat part in which a first recess part including a bottom surface and a side surface extending from the bottom surface is defined, and an inspection part including an inspection connector. The seat part includes a support part having a certain stiffness and located on the bottom surface and a variable part connecting the support part and the side surface. The variable part has a certain elasticity or a portion of the variable part penetrates into the side surface.Type: GrantFiled: October 7, 2021Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Seongmo Hwang, Jeong-Hwan Shin
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Publication number: 20230357069Abstract: Provided is an apparatus for cutting a glass laminated substrate including a glass layer laminated on a substrate and having a first surface, which is a surface of the glass laminated substrate closer to the glass layer, and a second surface, which is a surface that is opposite the first surface. The apparatus includes a support configured to support the glass laminated substrate, a first cutter provided to cut the glass layer from the first surface of the glass laminated substrate, and a second cutter provided to cut the substrate from the first surface of the glass laminated substrate.Type: ApplicationFiled: July 28, 2021Publication date: November 9, 2023Inventors: Tae-hyo Park, Jeong Hwan Shin
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Publication number: 20220252521Abstract: An inspection apparatus for a display module includes a seat part in which a first recess part including a bottom surface and a side surface extending from the bottom surface is defined, and an inspection part including an inspection connector. The seat part includes a support part having a certain stiffness and located on the bottom surface and a variable part connecting the support part and the side surface. The variable part has a certain elasticity or a portion of the variable part penetrates into the side surface.Type: ApplicationFiled: October 7, 2021Publication date: August 11, 2022Inventors: SEONGMO HWANG, JEONG-HWAN SHIN
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Patent number: 10783827Abstract: A display device includes pixels connected to data lines and scan lines, a first compensator which is connected to sensing lines and senses deviation information of the sensing lines while supplying different voltages to adjacent sensing lines, and a sensing unit which is connected to the first compensator and senses characteristic information of each of the pixels.Type: GrantFiled: September 8, 2017Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong Hwan Shin, Sung Hoon Bang, Sang Jae Yeo, Oh Jo Kwon
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Patent number: 10490127Abstract: An organic light emitting display device includes one or more pixels connected to scan lines, feedback lines, and data lines, and including driving transistors configured to control an amount of current supplied to organic light emitting diodes, a sensor configured to generate compensation data based on sensing data including deviation information of a driving transistor of the driving transistors and first reference data for a sensing period, a data driver configured to supply a first reference data signal to the data line based on second reference data for the sensing period, and a scan driver configured to supply a scan signal to the scan line, wherein the sensor is configured to generate the compensation data while changing a bit value of the second reference data two or more times during the sensing period.Type: GrantFiled: July 7, 2017Date of Patent: November 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Wook Lee, Sung Hwan Kim, Jeong Hwan Shin
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Patent number: 10283047Abstract: A display device is configured to be driven in a period that is divided into a driving period and a sensing period. The display device includes pixels including driving transistors coupled to scan lines, data lines, and sensing lines, a scan driver configured to supply scan signals to the scan lines, a data driver configured to supply at least one of a reference voltage and data signals to the data lines, a sensing unit configured to sense the characteristic information via the sensing lines during the sensing period, control lines formed in parallel with the scan lines, a first switch coupled between an n-th scan line and an n-th control line, and a second switch coupled between the n-th control line and an (n+1)-th scan line and configured such that a turn-on period of the second switch does not overlap a turn-on period of the first switch.Type: GrantFiled: July 27, 2017Date of Patent: May 7, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jeong Hwan Shin, Sung Hoon Bang, Sung Hwan Kim
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Patent number: 10229621Abstract: A display device includes: a plurality of pixels; a plurality of data lines coupled to the pixels and grouped into a plurality of groups; a plurality of channels corresponding to the plurality of groups, each of the channels being configured to sense a current flowing to a data line of a corresponding group from among the data lines to output a code value; and a controller configured to calibrate a deviation of a gain and an offset of the channels based on the code value of each of the channels.Type: GrantFiled: March 11, 2015Date of Patent: March 12, 2019Assignee: Samsung Display Co., Ltd.Inventor: Jeong-Hwan Shin
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Patent number: 10186189Abstract: An organic light emitting display device includes a display panel including a pixel at a crossing region of a scan line, a data line, and a feedback line, a data driver sequentially providing reference signals to the pixel through the data line, a sensing driver sequentially sensing feedback signals flowing through the feedback line in response to the reference signals, and a timing controller modeling a current-voltage characteristic of the pixel based on the feedback signals.Type: GrantFiled: May 27, 2016Date of Patent: January 22, 2019Assignee: Samsung Display Co., Ltd.Inventor: Jeong-Hwan Shin
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Patent number: 10063719Abstract: An image forming apparatus, guide providing method thereof, cloud server and error analyzing method thereof are provided. The image forming apparatus may include a scanner configured to scan a script and generate a scan image, a communicator configured to communicate with a cloud server, a display configured display a screen, and a processor configured to control the communicator to transmit the generated scan image to a cloud server, and in response to receiving an error solution guide of the scan image from the cloud server, control the display to display the received error solution guide.Type: GrantFiled: June 29, 2016Date of Patent: August 28, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Jeong-hwan Shin, Chang-hyung Lee, Dong-hyeop Han
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Patent number: 9978969Abstract: A display device that may compensate for characteristic deviations among pixels and impact picture quality is provided. The display device includes a plurality of pixels, a plurality of sensing lines connected to the pixels, a sensing circuit configured to extract characteristic information of the pixels through the sensing lines. The sensing circuit includes a plurality of analog-to-digital converters (ADC) to convert the characteristic information into digital sensing data and to output the digital sensing data. A compensating circuit is configured to compare output values of the plurality of ADCs, to set a correction value, and to convert first data into second data based on the sensing data and the correction value. A data driver is configured to generate data signals corresponding to the second data and to output the data signals to the pixels.Type: GrantFiled: June 26, 2017Date of Patent: May 22, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong Hwan Shin, Sung Hwan Kim, Sung Hoon Bang
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Publication number: 20180082639Abstract: A display device includes pixels connected to data lines and scan lines, a first compensator which is connected to sensing lines and senses deviation information of the sensing lines while supplying different voltages to adjacent sensing lines, and a sensing unit which is connected to the first compensator and senses characteristic information of each of the pixels.Type: ApplicationFiled: September 8, 2017Publication date: March 22, 2018Inventors: Jeong Hwan SHIN, Sung Hoon BANG, Sang Jae YEO, Oh Jo KWON
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Publication number: 20180061316Abstract: A display device is configured to be driven in a period that is divided into a driving period and a sensing period. The display device includes pixels including driving transistors coupled to scan lines, data lines, and sensing lines, a scan driver configured to supply scan signals to the scan lines, a data driver configured to supply at least one of a reference voltage and data signals to the data lines, a sensing unit configured to sense the characteristic information via the sensing lines during the sensing period, control lines formed in parallel with the scan lines, a first switch coupled between an n-th scan line and an n-th control line, and a second switch coupled between the n-th control line and an (n+1)-th scan line and configured such that a turn-on period of the second switch does not overlap a turn-on period of the first switch.Type: ApplicationFiled: July 27, 2017Publication date: March 1, 2018Inventors: Jeong Hwan Shin, Sung Hoon Bang, Sung Hwan Kim
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Publication number: 20180012543Abstract: An organic light emitting display device includes one or more pixels connected to scan lines, feedback lines, and data lines, and including driving transistors configured to control an amount of current supplied to organic light emitting diodes, a sensor configured to generate compensation data based on sensing data including deviation information of a driving transistor of the driving transistors and first reference data for a sensing period, a data driver configured to supply a first reference data signal to the data line based on second reference data for the sensing period, and a scan driver configured to supply a scan signal to the scan line, wherein the sensor is configured to generate the compensation data while changing a bit value of the second reference data two or more times during the sensing period.Type: ApplicationFiled: July 7, 2017Publication date: January 11, 2018Inventors: Wook LEE, Sung Hwan KIM, Jeong Hwan SHIN
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Publication number: 20180013085Abstract: A display device that may compensate for characteristic deviations among pixels and impact picture quality is provided. The display device includes a plurality of pixels, a plurality of sensing lines connected to the pixels, a sensing circuit configured to extract characteristic information of the pixels through the sensing lines. The sensing circuit includes a plurality of analog-to-digital converters (ADC) to convert the characteristic information into digital sensing data and to output the digital sensing data. A compensating circuit is configured to compare output values of the plurality of ADCs, to set a correction value, and to convert first data into second data based on the sensing data and the correction value. A data driver is configured to generate data signals corresponding to the second data and to output the data signals to the pixels.Type: ApplicationFiled: June 26, 2017Publication date: January 11, 2018Inventors: JEONG HWAN SHIN, Sung Hwan Kim, Sung Hoon Bang
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Publication number: 20170187897Abstract: An image forming apparatus, guide providing method thereof, cloud server and error analyzing method thereof are provided. The image forming apparatus may include a scanner configured to scan a script and generate a scan image, a communicator configured to communicate with a cloud server, a display configured display a screen, and a processor configured to control the communicator to transmit the generated scan image to a cloud server, and in response to receiving an error solution guide of the scan image from the cloud server, control the display to display the received error solution guide.Type: ApplicationFiled: June 29, 2016Publication date: June 29, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong-hwan SHIN, Chang-hyung LEE, Dong-hyeop HAN
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Patent number: 9601051Abstract: Provided are an organic light-emitting display comprising: a display panel which comprises a plurality of pixels, each of the pixels having an organic light-emitting diode (OLED); a sensor configured to detect degradation data indicating a degree of degradation of the OLED of each of the pixels and configured to calculate a degradation data difference between two or more adjacent pixels among the pixels; and a controller configured to set a compensation area utilizing the degradation data difference and configured to generate compensated image data by compensating in the compensation area in input image data.Type: GrantFiled: March 4, 2015Date of Patent: March 21, 2017Assignee: Samsung Display Co., Ltd.Inventor: Jeong Hwan Shin
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Publication number: 20170039933Abstract: An organic light emitting display device includes a display panel including a pixel at a crossing region of a scan line, a data line, and a feedback line, a data driver sequentially providing reference signals to the pixel through the data line, a sensing driver sequentially sensing feedback signals flowing through the feedback line in response to the reference signals, and a timing controller modeling a current-voltage characteristic of the pixel based on the feedback signals.Type: ApplicationFiled: May 27, 2016Publication date: February 9, 2017Inventor: Jeong-Hwan Shin