Solomon Systech (shenzhen) Limited

Zinitix Co., Ltd.

Sentron Inc.

Soloman Systech (shenzhen) Limited

Il-Hyun Yun

Hyung-Cheol Shin

Hong Jae Jang

Wai Hon Ng

Yip Fai Li

King Ho Cheung

Johnkid Lo

Pui Yuen Lam

Yi Nok Chan

Oh-Jin Kwon

Seon-Woong Jang

Wah Chi Raymond Wang

A passive matrix organic light emitting diode (PMOLED) display which includes a plurality of lower electrode patterns arranged in parallel, a plurality of transparent electrode patterns arranged in parallel in a direction and being perpendicular to the lower electrode pattern, and an organic compound layer interposed between the lower electrode pattern and the transparent electrode pattern and by time-sharing control period into a display control period and a touch sensor control period for each display frame to implement image output and touch sensing; the display includes: a plurality of mutual electrode patterns provided to the vicinity of a display area defined by the lower electrode pattern and the transparent electrode pattern; a display driving circuit; a multiplexer; and a touch driving circuit connected to the lower electrode pattern or the transparent electrode pattern through the multiplexer in the touch sensor control period.

Display using passive matrix organic light emitting diode

A PMOLED display includes a plurality of lower electrode patterns arranged in parallel in the x-axis direction, a plurality of transparent electrode patterns arranged in parallel in the y-axis direction and being perpendicular to the lower electrode patterns, and an organic compound layer interposed between the lower electrode patterns and the transparent electrode patterns. A display output and a touch sensing is performed by time-sharing a control period for the lower electrode patterns and the transparent electrode patterns into a display control period and a touch-sensor control period in every display frame time. The PMOLED display includes a driving node formed on a line for communication between the transparent electrode patterns and a display driving circuit, a touch-sensing unit connecting the driving node and a touch-sensing circuit; and a plurality of metal electrode patterns provided between the transparent electrode patterns to have a length shorter than the transparent electrode patterns.

Passive matrix organic light emitting diode display

Provided is a method of sensing an illuminance in a passive matrix organic light emitting diode display, the display including a plurality of lower electrode patterns arranged in parallel, a plurality of transparent electrode patterns arranged in parallel and being perpendicular to the lower electrode patterns, and an organic compound layer interposed between the lower electrode pattern and the transparent electrode pattern, the method comprising steps of: (a) forming a predetermined voltage difference between at least one electrode patterns of the transparent electrode patterns as anodes and the lower electrode patterns as cathodes; (b) measuring the magnitude of current formed by the transparent electrode pattern and the lower electrode pattern in the step (a); and (c) measuring an illuminance using the measured current, in which a voltage supplied to the lower electrode pattern is relatively higher than that of the transparent electrode pattern in the step (a).

Method of sensing illuminance using passive matrix organic light emitting diode display including illuminance sensor function and method of controlling the same

A method of controlling a PMOLED display, which includes a plurality of lower electrode patterns arranged in parallel, a plurality of transparent electrode patterns arranged in parallel and being perpendicular to the lower electrode patterns, and an organic compound layer interposed between lower electrode patterns and transparent electrode patterns, to perform a display output and touch sensing by time-sharing a control period for the lower electrode patterns and the transparent electrode patterns into a display control period and a touch-sensor control period in every display frame time, including providing a driving node formed on a line for communication between the transparent electrode patterns and a display driving circuit and a touch sensing unit connecting the driving node and a touch sensing circuit; performing the display output by connecting the transparent electrode patterns and the display driving circuit in the display control period; and performing the touch sensing by connecting the transparent electrode patterns and the touch sensing circuit by the touch sensing unit in the touch-sensor control period.

Passive matrix organic light emitting diode display and method of controlling the same

Disclosed is a touch input sensing device comprising: a touch input sensing electrode; a touch sensing unit connected to one point of the touch input sensing electrode to measure a change in a touch capacitance formed by the touch input sensing electrode according to a touch input; a second node included in the touch input sensing device to form a capacitance between the one point and the second node; and a potential control unit for providing a potential value following the potential of the one point to the second node to decrease a potential difference between the one point and the second node.

Touch input sensing method for reducing influence of parasitic capacitance and device therefor

A switched capacitor integrator circuit is disclosed. The switched capacitor integrator circuit comprises an inverting switched capacitor integrator circuit, and a non-inverting switched capacitor integrator circuit connected to the inverting switched capacitor integrator circuit. A sampling capacitor of the inverting switched capacitor integrator circuit is shared by the non-inverting switched capacitor integrator circuit.

Growing community of inventors

Daejeon, South Korea

Il-Hyun Yun