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Hyunwoo Nho patents

Recent patents with Hyunwoo Nho listed as an inventor - additional entries may be under other spellings.

Hyunwoo Nho - Related organizations: Apple Inc. patents

Luminance uniformity correction for display panels

02/02/17 - 20170032742 - In order to reduce non-uniform luminance and/or chrominance, a display panel can determine, on a pixel-by-pixel basis in at least a row of pixels, a correction for voltage drops in the display panel. The voltage drop can be estimated based on a state of pixels in the display panel corresponding
Inventors: Johan L. Piper, James C. Aamold, Shengkui Gao, Hung Sheng Lin, Hyunwoo Nho

Pixel charging and discharging rate control systems and methods

01/26/17 - 20170024043 - Systems and methods for improving display image quality on electronic displays are provided. One embodiment of an electronic display includes display pixels that share a common electrode. Each of the display pixels includes a first conductive path electrically coupled between a pixel electrode and a data line, in which the
Inventors: Kasra Omid-zohoor, Jie Won Ryu, Jiayi Jin, Hyunwoo Nho

Pulse width modulation (pwm) driving scheme and bezel reduction

08/25/16 - 20160247456 - This application sets forth a circuit configuration for a light emitting diode (LED) or organic light emitting diode (OLED) display. The circuit configuration allows for the pulse-width modulation (PWM) of each emission signal sent to each line of the display. The PWM of each emission signal is accomplished using a
Inventors: Hung Sheng Lin, Chin-wei Lin, Tsung-ting Tsai, Sang Y. Youn, Hyunwoo Nho

Transistor switch having constant on resistance with input signal with having variable voltage component

03/31/16 - 20160094219 - Systems, methods, and devices to control a transistor to maintain one or more substantially constant characteristics while activated or deactivated are provided. One such system includes a transistor that receives an activation signal on a gate terminal to become activated during a first period and receives a deactivation signal on
Inventors: Ahmad Al-dahle, Hyunwoo Nho, Marduke Yousefpor, Weijun Yao, Yingxuan Li

Devices and methods for reducing or eliminating mura artifact associated with white images

03/10/16 - 20160071452 - Devices and methods for reducing or eliminating image artifacts are provided. By way of example, a method of preventing an occurrence of an image artifact on a display panel may include generating a first gate signal to be supplied to a first gate of a first transistor, generating a second
Inventors: Hyunwoo Nho, Hopil Bae, Wei H. Yao

Electronic device display with electrostatic discharge recovery capabilities

03/03/16 - 20160063659 - An electronic device may be provided with a housing such as a metal housing in which a display is mounted. Control circuitry in the electronic device such as a system-on-chip integrated circuit may produce image data. A display driver integrated circuit may receive the image data from the system-on-chip integrated
Inventors: Mohammad Ali Jangda, Sang Y. Youn, Wei H. Yao, Hyunwoo Nho, Arthur L. Spence, Viswa B. Pilla, Axel B. Schumacher, Ramachandran Chundru

Devices and methods for reducing or eliminating mura artifact using dac based techniques

11/19/15 - 20150332638 - Devices and methods for reducing or eliminating image artifacts are provided. By way of example, a display panel includes a pixels including pixel electrodes configured to receive an image data signal, and common electrodes (VCOMs) configured to receive a common voltage signal. The display panel includes a source driver, which
Inventors: Yingxuan Li, Weijun Yao, Wei H. Yao, Kingsuk Brahma, Hyunwoo Nho

### Hyunwoo Nho patent invention listings

The bibliographic references displayed about Hyunwoo Nho's patents are for a recent sample of Hyunwoo Nho's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the website. If Hyunwoo Nho filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the website.


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