Patents by Inventor Hwan Cho
Hwan 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).
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Patent number: 12369469Abstract: A display device includes an active region including pixels receiving data signals through data lines, and a non-active region on a side of the active region in a first direction and including a pad portion. The display device includes non-active fan-out wirings in the non-active region and connected to the pad portion, signal wirings extending in the first direction across the active region and connected to the pixels, and connection wirings passing through the active region and connecting some of the non-active fan-out wirings and some of the signal wirings. Each of the connection wirings includes first and second extension portions made of a first conductive layer, and a third extension portion made of a second conductive layer different from the first conductive layer. The first and second extension portions extend in the first direction, and the third extension portion extends in a second direction intersecting the first direction.Type: GrantFiled: October 4, 2023Date of Patent: July 22, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Hwan Cho, Won Suk Choi, Jung Tae Park, Ki Ho Bang, Seong Jun Lee, Sang Hyun Jun, Jong Hyun Choi
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Publication number: 20250234728Abstract: A display device may include: a display area in which a pixel is disposed and a non- display area that corresponds to an area separate from the display area; a pixel circuit layer including a pixel circuit; a first electrode disposed on the pixel circuit layer; an insulating layer having at least a portion exposing the first electrode; a second electrode disposed in the display area; and a connection electrode integrally formed with the second electrode, the connection electrode disposed in the non-display area. The insulating layer includes: a first insulating layer disposed in the display area; and a second insulating layer disposed in the non-display area. The second insulating layer is in contact with at least a portion of the connection electrode.Type: ApplicationFiled: September 24, 2024Publication date: July 17, 2025Applicant: Samsung Display Co., LTD.Inventors: Da Sol JEONG, Young Deok SEO, Eun Ho SONG, Seok Hyun LIM, Seung Hwan CHO
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Patent number: 12362377Abstract: Disclosed is an electrode for a membrane-electrode assembly, in which a hydrophilic group and a hydrophobic portion of an ionomer are bonded to a catalyst so that the alignment of the hydrophilic group and the hydrophobic portion of the ionomer is controlled, and a method of manufacturing the same.Type: GrantFiled: May 23, 2022Date of Patent: July 15, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Su Won Seol, Yoon Hwan Cho, Ju Young Lee
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Patent number: 12356812Abstract: A display device includes a first active pattern disposed on a substrate and including a first material, a second active pattern including a second material that is different from the first material of the first active pattern, a voltage line disposed under the second active pattern, a horizontal transmission line disposed on the second active pattern, and extending in a first direction and a connection pattern spaced apart from the horizontal transmission line, disposed on a same layer as the horizontal transmission line, and making electrical contact with the second active pattern and the voltage line. The horizontal transmission line and the voltage line may be spaced apart from each other and the second active pattern and the voltage line may make contact with each other through the connection pattern. Accordingly, a contact resistance value may be reduced, and a distribution of contact resistance values may resultantly be reduced.Type: GrantFiled: October 18, 2021Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Hwan Cho, Wonsuk Choi, Jiryun Park, Seokje Seong, Seungwoo Sung, Hyeonwoo Shin
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Patent number: 12349564Abstract: A display device having a display area including a plurality of pixels arranged along a first direction and a second direction, and a non-display area located around the display area, the non-display area including a first peripheral area surrounding the display area, a second peripheral area located at a lower side of the first peripheral area, and a bending area located between the first and second peripheral areas, the display device comprises a base substrate; a multiplexer circuit unit in the second peripheral area on the base substrate, the multiplexer circuit unit being spaced apart from the display area with the bending area interposed therebetween; spider lines connected to the multiplexer circuit unit and the plurality of pixels; data lines connected to the pixel disposed in the display area on the base substrate and extending along the second direction; and connection lines connecting the data line to the spider line.Type: GrantFiled: December 22, 2021Date of Patent: July 1, 2025Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Cho, Won Suk Choi, Ji Ryun Park, Seok Je Seong, Hyeon Woo Shin, Ji Seon Lee
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Publication number: 20250202001Abstract: A sealing tape for an all-solid-state rechargeable battery including a substrate and an adhesive layer on a surface of the substrate, wherein the sealing tape has a creep value of greater than or equal to about 500 ?m at 45° C. and a shear strength of greater than or equal to about 0.98 kgf/cm2 at 45° C.Type: ApplicationFiled: November 8, 2024Publication date: June 19, 2025Inventors: Ik Hwan CHO, Jiwan YOU, Changhee WOO, Young Gyoon RYU
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Publication number: 20250204203Abstract: A display device includes: a metal layer on a via layer, the metal layer overlapping with emission areas; a resonance auxiliary layer on the via layer and the metal layer, the resonance auxiliary layer exposing the metal layer; anode electrodes on the resonance auxiliary layer; and a contact layer connected to the metal layer and the anode electrodes.Type: ApplicationFiled: August 28, 2024Publication date: June 19, 2025Inventors: Jae Been LEE, Ju Won YOON, Seung Hwan CHO
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Publication number: 20250204219Abstract: According to an embodiment of the disclosure, a cover window may include a window layer, a first refractive layer disposed on one surface of the window layer, a second refractive layer disposed on the first refractive layer, a cover layer disposed on the second refractive layer, an adhesive layer disposed between the cover layer and the second refractive layer, and a light blocking layer disposed on another surface of the window layer, and the first refractive layer may have a refractive index of 1.7 to 1.9.Type: ApplicationFiled: September 4, 2024Publication date: June 19, 2025Inventor: Jong Hwan CHO
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Publication number: 20250167400Abstract: Examples of the disclosure include a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator, and a separator for a rechargeable lithium battery including a porous substrate and a coating layer located on at least one surface of the porous substrate. The coating layer includes a binder and a core-shell particle including a fluorine-based resin particle core and a shell of an inorganic fine particle.Type: ApplicationFiled: November 22, 2024Publication date: May 22, 2025Applicant: SAMSUNG SDI CO., LTD.Inventors: Ji Wan YOU, Ik Hwan CHO, Chang Hee WOO, Young Gyoon RYU, Byeong Do KAWK, Jin Hwan PARK
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Patent number: 12297382Abstract: An adhesive film has an average slope of about ?9.9 to about 0, as measured over a temperature range of about ?20° C. to about 80° C. in a graph depicting a temperature-dependent storage modulus distribution of the adhesive film where the x-axis represents temperature (° C.) and the y-axis represents storage modulus (kPa). The adhesive film also has a storage modulus at about 80° C. of about 10 kPa to about 1,000 kPa.Type: GrantFiled: July 20, 2020Date of Patent: May 13, 2025Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.Inventors: Ji Ho Kim, Hyung Rang Moon, Il Jin Kim, Byeong Do Kwak, Jee Hee Kim, Sung Hyun Mun, Seon Hee Shin, Gwang Hwan Lee, Woo Jin Lee, Eun Hwa Lee, Ik Hwan Cho, Jae Hyun Han
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Publication number: 20250151558Abstract: A display device includes a first active pattern disposed on a substrate, a first gate electrode disposed on the first active pattern, a second active pattern disposed on the first gate electrode, being electrically connected to the first gate electrode, and including an extension part extending in a first direction and a protrusion part protruding from the extension part in a second direction crossing the first direction, and a voltage line disposed on the second active pattern, extending in the first direction, and overlapping the protrusion part in an overlapping region. The voltage line contacts the protrusion part through a first contact, and the first contact entirely overlaps the overlapping region on a plane.Type: ApplicationFiled: January 9, 2025Publication date: May 8, 2025Applicant: Samsung Display Co., Ltd.Inventors: SEUNG-HWAN CHO, WONSUK CHOI, TETSUHIRO TANAKA, JIRYUN PARK, SEOKJE SEONG, SEUNGWOO SUNG, JISEON LEE
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Publication number: 20250141049Abstract: An elastic sheet for an all-solid-state battery includes a polyurethane film, a first (meth)acrylate resin layer on a first surface of the polyurethane film, and a second (meth)acrylate resin layer on a second surface of the polyurethane film.Type: ApplicationFiled: May 22, 2024Publication date: May 1, 2025Inventors: Ik Hwan CHO, Jiwan You, Changhee Woo, Jinhwan Park, Young Gyoon Ryu
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Publication number: 20250141050Abstract: An elastic sheet for an all-solid-state battery and an all-solid-state battery including the elastic sheet for an all-solid-state battery, the elastic sheet for an all-solid-state battery includes a (meth)acrylate copolymer; an aluminum hydroxide; and inorganic nanotubes, and the all-solid-state battery includes the elastic sheet; and an electrode assembly, wherein the electrode assembly includes a positive electrode, a negative electrode, and a solid electrolyte layer between the positive electrode and the negative electrode, and the elastic sheet is outside at least one of the positive electrode and the negative electrode.Type: ApplicationFiled: September 5, 2024Publication date: May 1, 2025Inventors: Ik Hwan CHO, Jiwan YOU, Changhee WOO, Jinhwan PARK, Young Gyoon RYU
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Publication number: 20250143079Abstract: A display device including a light-emitting element, an encapsulation layer over the light-emitting element and including a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in order, and the first inorganic encapsulation layer and the second inorganic encapsulation layer in direct contact with each other to define an inorganic encapsulation area of the display device, a supply voltage line electrically connected to the light-emitting element, a signal line which provides an electrical signal to the display area, and within the inorganic encapsulation area of the display device, the signal line overlapping the supply voltage line and an etch stop pattern between the supply voltage line and the signal line which overlap each other.Type: ApplicationFiled: January 1, 2025Publication date: May 1, 2025Inventors: Hyeon Woo SHIN, Beom Yeol PARK, Ji Ryun PARK, Ji Seon LEE, Seung Hwan CHO, Won Suk CHOI, Yoon Sun CHOI
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Patent number: 12289968Abstract: A display device includes a substrate, one or more scan stages disposed on the substrate, a first conductive layer disposed on the substrate, and scan control lines electrically connected to each of the one or more scan stages, a first organic insulating layer disposed on the first conductive layer, and a second organic insulating layer disposed on the first organic insulating layer. The first organic insulating layer and the second organic insulating layer overlap the scan control lines.Type: GrantFiled: March 25, 2022Date of Patent: April 29, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki Ho Bang, Seung Hwan Cho, Eun Hye Kim, Seong Ryong Lee, Eun Ae Jung, Won Suk Choi
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Patent number: 12284494Abstract: A sound control device and a method for controlling the sound control device provided in a vehicle. The method comprises obtaining an input signal including at least one of a reference signal of an accelerometer or an error signal obtained from a sound signal of a microphone; adjusting low frequency components of the input signal based on magnitudes of the low frequency components of the input signal and a preset reference magnitude; generating a noise control signal based on the adjusted input signal; and transmitting the noise control signal so that a speaker outputs the noise control signal.Type: GrantFiled: August 18, 2022Date of Patent: April 22, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Jung Keun You, Myoung Ok Lee, Kaang Dok Yee, Chi Sung Oh, Mun Hwan Cho
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Publication number: 20250107374Abstract: A display device includes a driving transistor; a transistor connected to the driving transistor; a first insulating layer; a first data conductive layer including a first connection pattern; a second insulating layer including a lower via hole; a second data conductive layer including a second connection pattern connected to the first connection pattern and a first conductive line; a third insulating layer including an intermediate via hole; a third data conductive layer including a third connection pattern connected to the second connection pattern, a second conductive line extending in a second direction, and a first data line which extends in the second direction; a fourth insulating layer including an upper via hole; and a light emitting element disposed including a first electrode, wherein at least two of the lower via hole, the intermediate via hole, and the upper via hole overlap each other in a third direction.Type: ApplicationFiled: December 10, 2024Publication date: March 27, 2025Applicant: Samsung Display Co., Ltd.Inventors: Seung Hwan CHO, Beom Yeol PARK, Hyeon Woo SHIN, Ji Seon LEE, Won Suk CHOI, Yoon Sun CHOI
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Patent number: 12260043Abstract: A method of driving an electronic device includes displaying a plurality of fingerprint recognition icons on a display device configured to perform fingerprint recognition, and releasing a lock state of the display device through a fingerprint authentication process upon determining at least one first fingerprint recognition icon among the plurality of fingerprint recognition icons is touched. The plurality of fingerprint recognition icons include at least one first fingerprint recognition icon configured to support the fingerprint recognition and at least one second fingerprint recognition icon configured to not support the fingerprint recognition.Type: GrantFiled: September 8, 2023Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byung Han Yoo, Jung Woo Park, Hyang A Park, Dae Young Lee, Hyun Dae Lee, Kang Bin Jo, Sang Hwan Cho, Sung-Chan Jo
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Publication number: 20250095717Abstract: The present invention relates to a bitline multi-level voltage sensing circuit for a multi-bit operation of a DRAM including a memory cell that stores data by an operation of a wordline and a bitline, the bitline multi-level voltage sensing circuit comprising: an operational amplifier having a non-inverting input terminal coupled to a precharging voltage line and an inverting input terminal coupled to a bitline through a first switch enabled by a wordline signal; a feedback capacitor formed between an output terminal of the operational amplifier and an inverting input terminal of the operational amplifier; a second switch formed in parallel with the feedback capacitor between the output terminal of the operational amplifier and the inverting input terminal of the operational amplifier and enabled by a precharging signal; and an analog-to-digital converter that converts an output voltage of the output terminal of the operational amplifier into a digital signal.Type: ApplicationFiled: November 16, 2021Publication date: March 20, 2025Inventors: Seong Hwan CHO, Gi Woo LEE
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Publication number: 20250093653Abstract: A mobile display device includes a first display device that provides images to a user's left eye, a second display device that provides images to the user's right eye, a display device housing that accommodates the first display device and the second display device, and a housing cover that covers the display device housing and includes a first eyepiece aligned with the first display device and a second eyepiece aligned with the second display device. Each of the first display device and the second display device includes a display panel and a circuit board disposed at one end of the display panel and that includes a driver circuit. The circuit board of the first display device and the circuit board of the second display device are symmetrically arranged with respect to a center of the housing cover located between the first eyepiece and the second eyepiece.Type: ApplicationFiled: May 20, 2024Publication date: March 20, 2025Inventors: SU JEONG KIM, GUN SHIK KIM, JOON HYUNG PARK, JI NA SEO, SEUNG HWAN CHO