Patents by Inventor Joo-Hyeon Jeong
Joo-Hyeon Jeong 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: 20240126396Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.Type: ApplicationFiled: December 11, 2023Publication date: April 18, 2024Inventors: Joo-Hyeon JEONG, Taejoon KIM, Hyun-Wook CHO, Jaewoo CHOI
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Patent number: 11906561Abstract: An inspection device inspects a display for defects. The display includes a power supply, a circuit board having a stabilizer to stabilize the power supply, a display panel which is electrically connected to the circuit board and has a first electrode, and an input sensor which is disposed on the display panel and has a second electrode. The inspection logic measures a value of capacitance between the first electrode and the second electrode of the display, and includes a frequency setter that sets a driving frequency of the second electrode to a frequency in a predetermined range.Type: GrantFiled: September 1, 2021Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Bongil Kang, Joo-Hyeon Jeong, Jun-Young Ko, Sangkook Kim, Gayeon Yun
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Patent number: 11842021Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.Type: GrantFiled: December 5, 2022Date of Patent: December 12, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joo-Hyeon Jeong, Taejoon Kim, Hyun-Wook Cho, Jaewoo Choi
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Publication number: 20230100476Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.Type: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Inventors: Joo-Hyeon JEONG, Taejoon KIM, Hyun-Wook CHO, Jaewoo CHOI
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Patent number: 11520449Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.Type: GrantFiled: October 29, 2019Date of Patent: December 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Joo-Hyeon Jeong, Taejoon Kim, Hyun-Wook Cho, Jaewoo Choi
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Publication number: 20220206049Abstract: An inspection device inspects a display for defects. The display includes a power supply, a circuit board having a stabilizer to stabilize the power supply, a display panel which is electrically connected to the circuit board and has a first electrode, and an input sensor which is disposed on the display panel and has a second electrode. The inspection logic measures a value of capacitance between the first electrode and the second electrode of the display, and includes a frequency setter that sets a driving frequency of the second electrode to a frequency in a predetermined range.Type: ApplicationFiled: September 1, 2021Publication date: June 30, 2022Inventors: BONGIL KANG, JOO-HYEON JEONG, JUN-YOUNG KO, SANGKOOK KIM, GAYEON YUN
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Patent number: 10908734Abstract: A display device may include a display element layer, a sensing element layer, and a second-type sensor electrode. The display element layer may include a first through hole, a non-pixel area, and a display area. The display area may including pixels and may surround the non-pixel area. The non-pixel area may surround the first through hole. The sensing element layer may include a second through hole and a first sensing area. The first sensing area may include first-type sensor electrodes, may overlap the display area, and may surround the second through hole. The second through hole may correspond to the first through-hole. The second-type sensor electrode may overlap the non-pixel area and may be electrically insulated from the first-type sensor electrodes.Type: GrantFiled: August 28, 2019Date of Patent: February 2, 2021Inventors: Joo Hyeon Jeong, Heon Seok Lee, Hyun Wook Cho
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Publication number: 20200225828Abstract: A display device may include a display element layer, a sensing element layer, and a second-type sensor electrode. The display element layer may include a first through hole, a non-pixel area, and a display area. The display area may including pixels and may surround the non-pixel area. The non-pixel area may surround the first through hole. The sensing element layer may include a second through hole and a first sensing area. The first sensing area may include first-type sensor electrodes, may overlap the display area, and may surround the second through hole. The second through hole may correspond to the first through-hole. The second-type sensor electrode may overlap the non-pixel area and may be electrically insulated from the first-type sensor electrodes.Type: ApplicationFiled: August 28, 2019Publication date: July 16, 2020Inventors: Joo Hyeon JEONG, Heon Seok LEE, Hyun Wook CHO
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Publication number: 20200167041Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.Type: ApplicationFiled: October 29, 2019Publication date: May 28, 2020Inventors: Joo-Hyeon JEONG, Taejoon KIM, Hyun-Wook CHO, Jaewoo CHOI
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Patent number: 9437141Abstract: A scan driver includes: a plurality of scan driving blocks including an output terminal outputting a scan signal to a scan line; a first transistor transmitting a voltage of a power source to the output terminal; a second transistor transmitting a clock signal to the output terminal; and a third transistor including a gate electrode connected to a node formed with a gate-on voltage turning on the second transistor, one terminal connected to the power source, and the other terminal connected to the gate electrode of the first transistor. The scan driver may reduce the influence of a leakage current even though application of the scan signal is increased, and a scan signal of a uniform voltage level may be output.Type: GrantFiled: July 27, 2011Date of Patent: September 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Wang-Jo Lee, Hyung-Soo Kim, In-Ho Choi, Choon-Yul Oh, Ho-Ryun Chung, Joo-Hyeon Jeong, Myoung-Hwan Yoo, Jin-Woo Kim, Naoaki Komiya
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Patent number: 9405414Abstract: A method of sensing a touch is provided, the method including: generating, at a pressure detector, a first sensing signal by detecting a pressure of a touch input by a user; generating, at a position detector, a second sensing signal by detecting a position of the touch input by the user; and removing a noise of the second sensing signal based on the first sensing signal.Type: GrantFiled: December 4, 2013Date of Patent: August 2, 2016Assignee: Samsung Display Co., Ltd.Inventors: Soon-Sung Ahn, Joo-Hyeon Jeong
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Patent number: 9035858Abstract: A pixel and an organic light emitting diode (OLED) display device including the same are disclosed. The pixel includes an organic light emitting diode and an inverse voltage transistor positioned between an anode of the organic light emitting diode and a reverse bias power source, and configured to transmit the inverse voltage to the organic light emitting diode (OLED).Type: GrantFiled: August 10, 2011Date of Patent: May 19, 2015Assignee: Samsung Display Co., Ltd.Inventors: Do-Ik Kim, Joo-Hyeon Jeong
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Patent number: 9013379Abstract: A pulse generator that is capable of improving (e.g., increasing) the rising and falling speeds of its pulses. The pulse generator includes a third switch and a first diode serially coupled between a first power source and a data line; a fourth switch and a second diode serially coupled between the data line and a second power source configured to have a voltage lower than that of the first power source; a pulse controller for increasing a voltage of the data line to a voltage higher than that of the first power source or for reducing the voltage of the data line to a voltage lower than that of the second power source; and a first capacitor coupled between the pulse controller and the data line.Type: GrantFiled: August 12, 2011Date of Patent: April 21, 2015Assignee: Samsung Display Co., Ltd.Inventors: Do-Ik Kim, Joo-Hyeon Jeong
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Publication number: 20140176493Abstract: A method of sensing a touch is provided, the method including: generating, at a pressure detector, a first sensing signal by detecting a pressure of a touch input by a user; generating, at a position detector, a second sensing signal by detecting a position of the touch input by the user; and removing a noise of the second sensing signal based on the first sensing signal.Type: ApplicationFiled: December 4, 2013Publication date: June 26, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Sung Ahn, Joo-Hyeon Jeong
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Patent number: 8723813Abstract: A flat panel display device that can easily determine whether it has been touched or not by sensing a variation in capacitance by using a cushion member. The flat panel display device includes a first face; a frame having a conductive face and supporting the first face and having a conductive face; a cushion member interposed between the first face and the conductive face and formed of a dielectric material, wherein a thickness of the cushion member varies depending on an externally applied pressure, a conductive film interposed between the first face and the cushion member; and a sensor unit electrically connected to the conductive face and the conductive film respectively, which calculates and senses a variation in capacitance of a capacitor comprising the conductive face, the cushion member, and the conductive film.Type: GrantFiled: June 30, 2009Date of Patent: May 13, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Un Park, Tae-Jin Kim, Joo-Hyeon Jeong, Soon-Sung Ahn, In-Ho Choi
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Patent number: 8681135Abstract: A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image.Type: GrantFiled: July 16, 2009Date of Patent: March 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Soon-Sung Ahn, Do-Youb Kim, Sun-A Yang, Dong-Wook Choi, Joo-Hyeon Jeong
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Patent number: 8610676Abstract: A stylus pen includes a body portion, and an end portion on the body portion, the end portion including a reflecting unit and adapted to contact a touch screen. The reflecting unit is adapted to reflect light toward a display apparatus including the stylus pen, so light receiving accuracy of a photosensor in the display apparatus is increased.Type: GrantFiled: September 1, 2009Date of Patent: December 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sung-Un Park, Tae-Jin Kim, Joo-Hyeon Jeong
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Publication number: 20130258466Abstract: A stereoscopic image display device includes: a scan driver for transmitting scan signals to scan lines; a data driver for transmitting data signals to data lines; a display unit including pixels and configured to receive a corresponding data signal when a corresponding scan signal is transmitted to the pixels; a power supply controller for supplying a driving voltage to drive the pixels; and a controller for controlling the scan driver, the data driver, and the power supply controller, for generating an image data signal corresponding to each period of a plurality of periods, and for supplying the corresponding image data signal to the data driver. The power supply controller controls the driving voltage to block light emitting during a first view point image non-light emitting period and a second view point image non-light emitting period.Type: ApplicationFiled: August 9, 2012Publication date: October 3, 2013Inventors: Jeong-Keun Ahn, Back-Woon Lee, Do-Ik Kim, Joo-Hyeon Jeong
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Patent number: 8508525Abstract: An organic light emitting diode (OLED) display includes a display unit including a plurality of pixels, a plurality of scan lines, and a plurality of data lines, a data driver transmitting a plurality of data signals to the plurality of data lines, a scan driver transmitting a plurality of scan signals to the plurality of scan lines, a compensation controller supplying a predetermined first current to each OLED in each of the plurality of pixels during a sensing period for measuring a driving voltage of the OLED for each of a plurality of pixels, receiving the driving voltage of the OLED supplied with the first current, and outputting measuring data for the transmitted driving voltage; and a signal controller compensating an input video signal according to the measuring data to generate image data. The compensation controller is separate from and external to the data driver.Type: GrantFiled: January 10, 2011Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Naoaki Komiya, Choon-Yul Oh, Joo-Hyeon Jeong, Myoung-Hwan Yoo, Wang-Jo Lee, Ho-Ryun Chung, Chang-Ho Hyun, Woung Kim, In-Ho Choi
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Patent number: 8497461Abstract: Embodiments provide a light sensor circuit for a flat panel display which improves resolution at low luminance and increases the range of sensible ambient light by divisionally driving a frame period, in which light is sensed, into a plurality of sub-frames, and a method of driving the light sensor circuit.Type: GrantFiled: March 7, 2011Date of Patent: July 30, 2013Assignee: Samsung Display Co., Ltd.Inventors: Do-Youb Kim, Yong-Sung Park, Tae-Jin Kim, Deok-Young Choi, Joo-Hyeon Jeong, Soon-Sung Ahn, In-Ho Choi, Brent Jang, Ki-Ju Im