Inventor

LIU HAN-CHI

TW51 patents

⚠️ This page may combine multiple inventors who share the name “LIU HAN-CHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU HAN-CHI

PIXART IMAGING INC

Pixel circuit outputting pulse width signal and optical sensor using the same

Analog operation circuit for operating pulse width signals outputted from pixel circuit

Pixel circuit outputting pulse width signals and performing analog operation

Motion sensor using temporal difference pixels and lift-up detection thereof

Digital imaging device with enhanced dynamic range and operating method as well as data processing circuit thereof

Analog operation circuit for processing pixel data in analog phase

Pixel circuit outputting pulse width signal and optical sensor using the same

Motion sensor using temporal difference pixels and lift-up detection thereof

Sensor circuit having identical capacitors to improve sensing efficiency of pixels and operating method thereof

Pixel circuit to improve sensing efficiency, image sensor using the same and operating method thereof

Pixel circuit having capacitor with identical electrodes to improve sensing efficiency and operating method thereof

Circuit to improve sensing efficiency of pixels

Logic circuit capable of preventing latch-up

Logic circuit capable of preventing latch-up

Neural signal detection circuit outputting time difference data or neural data

Surge current compensating circuit and comparator module

Image sensor apparatus and method capable of rapidly reading out and processing pixel voltages of pixel array

Digital imaging device with enhanced dynamic range and operating method thereof

Pixel array of image sensor and method of fabricating the same

Pixel transfer rate boosting device

Image sensor and sensing pixel array for reading out charge of sensing signal and charge of reset signal of one sensing pixel unit after another

Surge current compensating circuit and comparator module

Image sensor capable of averaging pixel data

Circuit calibrating method and circuit calibrating system

TAIWAN SEMICONDUCTOR MFG

Cross-talk reduction through deep pixel well implant for image sensors

Method and device to reduce dark current in image sensors

Crosstalk improvement through P on N structure for image sensor

Method and structure for reducing cross-talk in image sensor devices

Method and device to reduce dark current in image sensors

Backside depletion for backside illuminated image sensors

Method and structure for reducing cross-talk in image sensor devices

LIU HAN-CHI

Backside illuminated image sensor device with refractive index dependent layer thicknesses and method of forming the same

Method for doping a selected portion of a device

Ultra-violet light sensing device and manufacturing method thereof

Light sensing module and calibration method for driving current of light source

TAIWAN SEMICONDUCTOR MFG CO LTD

Image sensor having enhanced backside illumination quantum efficiency

Crosstalk improvement through P on N structure for image sensor

Method of manufacturing image sensor having enhanced backside illumination quantum efficiency

Crosstalk improvement through P on N structure for image sensor

FARADAY TECH CORP

Switched capacitor circuit of a pipeline analog to digital converter and a method for operating the switched capacitor circuit

Reference voltage providing circuit

Method of finding driving strength and computer accessible record medium to store program thereof

VIVOTEK INC

Display screen with a transitional graphical user interface

HSU TZU-HSUAN

Backside depletion for backside illuminated image sensors

CHEN HUI-HSUAN

Optical displacement detection apparatus and optical displacement detection method

SU TSUNG-YI

Correlation double sampling circuit for image sensor

LIAO YIN-KAI

Image sensor having enhanced backside illumination quantum efficiency

CHANG CHUNG-WEI

Crosstalk improvement through P on N structure for image sensor

HSU EN-FENG

Distance measuring device, 3D image-sensing device, and optical touch system

Huang sen huang

Image-capturing device for optical pointing apparatus having large and small area image-sensing units