Patents by Inventor Jae-Hyeon JEON
Jae-Hyeon JEON 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: 20230301149Abstract: A display device includes a display panel including a plurality of pixels. At least one of the pixel includes a light emitting diode, a first transistor connected between a power line receiving a power source voltage and an anode of the light emitting diode, a second transistor connected between a data line and a first reference node, a first capacitor connected between the power line and the first reference node, a second capacitor connected between the first reference node and a second reference node, a third transistor connected between the first refence node and a reference voltage line receiving a reference voltage, a fourth transistor connected between an initialization voltage line receiving an initialization voltage and a drain of the first transistor, and a fifth transistor connected between the drain of the first transistor and the anode of the light emitting diode.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Inventors: DONGGYU LEE, JIHYE KIM, JIN-WOOK YANG, JAE-HYEON JEON
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Patent number: 11758663Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.Type: GrantFiled: August 22, 2022Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Tae Kim, Ji Hye Kim, Jae Hyeon Jeon
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Patent number: 11696475Abstract: A display device includes a display panel including a plurality of pixels. At least one of the pixel includes a light emitting diode, a first transistor connected between a power line receiving a power source voltage and an anode of the light emitting diode, a second transistor connected between a data line and a first reference node, a first capacitor connected between the power line and the first reference node, a second capacitor connected between the first reference node and a second reference node, a third transistor connected between the first reference node and a reference voltage line receiving a reference voltage, a fourth transistor connected between an initialization voltage line receiving an initialization voltage and a drain of the first transistor, and a fifth transistor connected between the drain of the first transistor and the anode of the light emitting diode.Type: GrantFiled: February 3, 2021Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Donggyu Lee, Jihye Kim, Jin-Wook Yang, Jae-Hyeon Jeon
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Patent number: 11676535Abstract: A pixel of a display device includes a light-emitting diode and a pixel circuit that provides a current corresponding to a data signal to the light-emitting diode in response to a plurality of scan signals and a light emission control signal. The light emission control signal includes a first section and a second section, the second section includes a light-emission-on section and a light-emission-off section, the light emission control signal has an active level in the light-emission-on section and has an inactive level in each of the first section and the light-emission-off section, and the light-emission-on section and the light-emission-off section of the light emission control signal may vary depending on a light emission ratio of a dimming mode.Type: GrantFiled: January 27, 2022Date of Patent: June 13, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Hyeon Jeon, Donggyu Lee, Jin-Wook Yang
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Patent number: 11640810Abstract: A display apparatus includes an optical module, a display panel and a display panel driver. The display panel is disposed on the optical module. The display panel driver is configured to drive the display panel. The display panel includes a first display area including at least a portion overlapping with the optical module and a second display area not overlapping with the optical module in a plan view. The first display area includes pixels having a first pixel structure. The second display area includes pixels having a second pixel structure different from the first pixel structure.Type: GrantFiled: January 6, 2021Date of Patent: May 2, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hye Kim, Young Ha Sohn, Jin-Wook Yang, Dong Gyu Lee, Jae-Hyeon Jeon
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Patent number: 11640794Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.Type: GrantFiled: February 25, 2022Date of Patent: May 2, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Wook Yang, Ji Hye Kim, Young Ha Sohn, Dong Gyu Lee, Jae Hyeon Jeon
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Patent number: 11636829Abstract: A display device includes a display panel including a first display area and a second display area adjacent to the first display area, a processor configured to generate first image data corresponding to the first and second display areas for a first mode, and to generate second image data corresponding to the first display area for a second mode, and a display driver configured to drive the display panel in response to the first image data in the first mode, and to drive the display panel in response to the second image data in the second mode, wherein a supplementary image is displayed in at least a portion of the second display area in the second mode.Type: GrantFiled: February 12, 2020Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hye Kim, Jae Hyeon Jeon
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Publication number: 20230086857Abstract: A driving controller of a display device includes a memory that stores an input image signal in response to a control signal, a scan signal generator outputs an internal scan signal in response to the control signal, and a multiplexer outputs one of the input image signal and a storage image signal as an output image signal in response to the control signal and the internal scan signal. The storage image signal is provided from the memory, and the memory outputs the storage image signal in response to the internal scan signal.Type: ApplicationFiled: July 11, 2022Publication date: March 23, 2023Inventors: DONGGYU LEE, JAE-HYEON JEON, JIN-WOOK YANG
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Patent number: 11580937Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.Type: GrantFiled: May 20, 2022Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Gyu Lee, Ji Hye Kim, Jin Wook Yang, Jae Hyeon Jeon
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Publication number: 20220415254Abstract: A pixel of a display device includes a light-emitting diode and a pixel circuit that provides a current corresponding to a data signal to the light-emitting diode in response to a plurality of scan signals and a light emission control signal. The light emission control signal includes a first section and a second section, the second section includes a light-emission-on section and a light-emission-off section, the light emission control signal has an active level in the light-emission-on section and has an inactive level in each of the first section and the light-emission-off section, and the light-emission-on section and the light-emission-off section of the light emission control signal may vary depending on a light emission ratio of a dimming mode.Type: ApplicationFiled: January 27, 2022Publication date: December 29, 2022Inventors: JAE-HYEON JEON, DONGGYU LEE, JIN-WOOK YANG
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Publication number: 20220400552Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.Type: ApplicationFiled: August 22, 2022Publication date: December 15, 2022Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
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Publication number: 20220392382Abstract: A display apparatus includes a display panel, a driving controller, a gate driver, an emission driver and a data driver. The display panel includes a pixel including a driving switching element and a light emitting element. The driving controller is configured to determine a driving frequency varied according to input image data or a driving mode. The gate driver is configured to output a gate signal and a bias control signal to the pixel. The emission driver is configured to output an emission signal to the pixel. The data driver is configured to output a data voltage to the pixel. The bias control signal to apply a bias voltage to the driving switching element has a first width in a writing frame and a second width different from the first width in a holding frame.Type: ApplicationFiled: February 9, 2022Publication date: December 8, 2022Inventors: Geunjeong PARK, Donggyu LEE, Jae-Hyeon JEON, Jeong-Young KIM
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Publication number: 20220349062Abstract: A method of manufacturing hydrophilic stainless steel includes polishing the surface of the stainless steel in one direction; and immersing the polished stainless steel in an acidic solution to form an oxide film.Type: ApplicationFiled: July 19, 2022Publication date: November 3, 2022Inventors: Dong Rip KIM, Jae Hyeon JEON, Jung Bin YANG
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Patent number: 11482174Abstract: An embodiment provides a display device including: a light emitting diode; a driving transistor configured to supply a current to the light emitting diode; a switching transistor having an input electrode connected to a data line; and a voltage transmitting capacitor disposed between an output electrode of the switching transistor and a gate electrode of the driving transistor, wherein a data voltage applied to the data line may be transmitted to the gate electrode of the driving transistor through the voltage transmitting capacitor, and the data voltage may have a data voltage value from which a voltage variation variable is removed based on leakage of the switching transistor.Type: GrantFiled: June 16, 2020Date of Patent: October 25, 2022Inventors: Yu-Chol Kim, Jin-Wook Yang, Ji Hye Kim, Young Ha Sohn, Jae-Hyeon Jeon
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Patent number: 11462156Abstract: The present disclosure relates to a display device and a method of driving the same. The display device includes a substrate, a display panel including a first display area including first pixels, a second display area including second pixels, and a third display area disposed between the first and second display areas and including third pixels, and a component disposed between the substrate and the display panel so as to overlap the second display area. Transmittance of the second display area is higher than transmittance of the first display area and transmittance of the third display area, and the third pixels are controlled such that a luminance gradually changes according to a distance from the second display area.Type: GrantFiled: August 24, 2020Date of Patent: October 4, 2022Inventors: Jin Wook Yang, Yu Chol Kim, Ji Hye Kim, Young Ha Sohn, Jae Hyeon Jeon
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Publication number: 20220277709Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.Type: ApplicationFiled: May 20, 2022Publication date: September 1, 2022Inventors: Dong Gyu LEE, Ji Hye KIM, Jin Wook YANG, Jae Hyeon JEON
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Patent number: 11425819Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.Type: GrantFiled: February 20, 2020Date of Patent: August 23, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Tae Kim, Ji Hye Kim, Jae Hyeon Jeon
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Patent number: 11417254Abstract: A display apparatus includes: a foldable display panel to display an image; a gate driver to output a gate signal to the foldable display panel; and a data driver to output a data voltage to the foldable display panel according to a driving current. The driving current is changed according to a display mode that corresponds to a folded state of the foldable display panel.Type: GrantFiled: July 15, 2020Date of Patent: August 16, 2022Assignee: Samsung Display Co., Ltd.Inventors: Taehoon Kim, Wontae Kim, Jihye Kim, Jae-Hyeon Jeon
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Patent number: 11386844Abstract: A display device includes: a plurality of pixels, where each of the pixels includes a light emitting device and a pixel circuit coupled to the light emitting device; a scan driver which supplies a scan signal to the pixel circuit; a data driver which supplies a data signal to the pixel circuit; a power supply which supplies a voltage to the pixel circuit; a timing controller which controls the scan driver; a first signal generator which provides a first clock signal to the timing controller; and a second signal generator which provides a second clock signal to the timing controller.Type: GrantFiled: July 30, 2020Date of Patent: July 12, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Hyeon Jeon, Joon Chul Goh, Jin Wook Yang, Ki Hong Song
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Publication number: 20220180813Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Inventors: JIN WOOK YANG, JI HYE KIM, YOUNG HA SOHN, DONG GYU LEE, JAE HYEON JEON