Guangzhou Tyrafos Semiconductor Technologies Co., Ltd

Guangzhou Tyrafos Semiconductor Tech. Co., Ltd.

Taiwan Semiconductor Manufacturing Comp. Ltd.

Other

Fiery Phoenix Inc.

Guangzhou Tyrafos Semiconductior Technologies Co., Ltd

Ping-Hung Yin

Jia-Shyang Wang

Hsu-Wen Fu

Dean Wang

Jia-Sian Lyu

Shih-Chan Tai

Jun-Wen Chung

Yung-Ming Chou

Jai-Jyun Shen

Chun-Yu Lee

Yuan-Ko Hwang

Teng-Chien Yu

Fei-Yun Chen

Yuan-Pang Lee

Yu Hsiang Wang

Pei-Ting Tsai

Chen-Shiang Shieh

Yu-Hsiang Wang

Chia-hao Chang

Chih-Hung Li

Hsiao-Wen Sun

Chun-I Shao

Chia-Cheng Yang

Hua Chen

Fu-Kuo Lin

Bo-Jia Lin

Sueishuang Liou

Yu-Sheng Liao

Haici Kong

The invention relates to an image sensing device and an image sensing method thereof. The image sensing device includes: an image sensing array and an image processing circuit. The image sensing array generates multiple pixel data, and the pixel data includes a first pixel data and a second pixel data. The first pixel data is generated by exposing for a first exposure time, the second pixel data is generated by exposing for a second exposure time, and the first exposure time is shorter than the second exposure time. The image processing circuit executes an automatic exposure convergence operation with the first pixel data to generate new exposure parameters for the automatic exposure convergence operation. The second exposure time is adjusted according to the new exposure parameters, so that the second pixel data is pixel data with changed exposure time.

Image sensing device and image sensing method thereof

The present invention provides a biomolecule image sensor in which detection molecules are deposed on a light receiving surface of an image sensing element, and method thereof for detecting biomolecule.

Biomolecular image sensor and method thereof for detecting biomolecule

The present invention relates to a dynamic image generating method and a dynamic image sensor thereof. The dynamic image sensor includes a first exposure pixel, a second exposure pixel and an image processing module. The dynamic image sensor applies the dynamic image generating method, which generates the default short-exposure image signal by exposing the first exposure pixel for default short-exposure time, and exposing the second exposure pixel for default long-exposure time to generate the default long-exposure image signal. The image processing module confirms whether the default short-exposure image and the default long-exposure image signals are between the lower and upper limits of pinching. If so, the optimal short-exposure time and the optimal long-exposure time are generated; otherwise, increase the default short-exposure time by a short-exposure fixed value or decrease the default long-exposure time by a long-exposure fixed value, and repeat until the optimal short-exposure and long-exposure times are obtained.

Dynamic image generating method and dynamic image sensor thereof

A dynamic vision sensor includes a sensor and an image signal processor. The sensor includes a pixel driver, a plurality of pixel groups, a cluster differential ADC, a cluster memory, a sensor data interface, and a controller. Each of the pixel groups includes a plurality of pixels and a floating diffusion node, each of the pixels includes a photodiode and a switch, the switch controls whether the electric charges accumulated in the photodiode are transferred to the floating diffusion node, the switch in each of the pixels is controlled by the pixel driver, and each of the pixels within a single pixel group is coupled to the floating diffusion node. The controller controls the pixel driver, the cluster differential ADC, the cluster memory, and the sensor data interface to switch between a dynamic sensing mode and a 2D image sensing mode.

Dynamic vision sensor

Disclosed are an image sensor circuit and an image sensor device including the image sensor circuit device. The image sensor circuit includes a pixel array formed by a plurality of pixel circuits. Each pixel circuit includes a first sub-pixel circuit, a first control circuit, a second sub-pixel circuit and a second control circuit. The first control circuit may sense light in a first wavelength range and control the first sub-pixel circuit to output a first output information at a first frame rate. The second control circuit may sense light in a second wavelength range and control the second sub-pixel circuit to output a second output information at a second frame rate. The first frame rate is higher than the second frame rate, and the first wavelength range does not overlap with the second wavelength range.

Image sensor circuit and image sensor device

An image sensor and an operation method thereof are provided. The image sensor includes a pixel circuit and a column readout circuit. The pixel circuit includes a pixel unit, a transfer transistor, a reset transistor, a readout transistor and a selection transistor. The column readout circuit includes a first circuit node and a second circuit node. A first terminal of the first reset transistor and a first terminal of the first readout transistor are coupled to a first circuit node, and a second terminal of the first select transistor is coupled to a second circuit node.

Image sensor and operation method thereof

An image sensor and an image sensing method are provided. A readout circuit outputs a first digital sensing signal according to a floating diffusion node voltage of a first pixel circuit reset after a reset stage and a floating diffusion node voltage of a second pixel circuit reset after the reset stage during a reset signal readout period. The readout circuit outputs a second digital sensing signal according to a sensing result of the first pixel circuit and the floating diffusion node voltage of the second pixel circuit reset after the same reset stage during a sensing signal readout period. The image processing circuit judges whether a digital number of at least one of the first digital sensing signal and the second digital sensing signal is abnormal to decide to keep an original digital number, directly set a pixel value, or reset the second digital sensing signal.

Image sensor and image sensing method judging whether a digital sensing signal is abnormal

An image sensor and an operation method thereof are provided. The image sensor includes a first pixel circuit and a ramp signal generator. The first pixel circuit includes a first pixel unit; a first transfer transistor coupled to the first pixel unit and a first floating diffusion node; a first readout transistor coupled to the first floating diffusion node; a first ramp capacitor coupled to the first floating diffusion node and receiving a first ramp signal; and a first reset transistor coupled to the first floating diffusion node and receiving a reset signal. The ramp signal generator is coupled to the first ramp capacitor and configured to provide the first ramp signal. A voltage range or a counting result of the pixel circuit during at least one of a reset period and a readout period has an offset.

The present invention relates to a method of image fusion, which uses the brightness difference of the current frame and the previous frame to determine whether the pixel in a frame image is static or dynamic. If the current pixel is static, the previous corresponding pixel is superimposed onto the current pixel; if the current pixel is dynamic, the previous corresponding pixel is replaced with the current pixel.

Method of image fusion

The present invention is related to a display device, including: a plurality of sub-pixel areas, each including a pixel circuit, each pixel circuit including: a diode, configured to be in a forward-biasing state during a display phase of the pixel circuit for light-emitting and configured to be in a reverse-biasing state in a sensing phase of the pixel circuit for light-sensing; a driving transistor for driving the diode during the display phase and serving as a source follower in the sensing phase; first to sixth transistors, applied to the gates of the first to sixth transistors respectively so that the pixel circuit switching between the display phase and the sensing phase; and a capacitor for storing a data voltage to be written to the diode in the display phase and storing the charge accumulated by the diode in the sensing phase.

Display device capable of in-display sensing

An image sensor and an image sensing method are provided. The image sensor includes a first pixel circuit, a second pixel circuit, a ramp signal generating circuit, a comparator, and a signal processing circuit. The first pixel circuit has a first floating diffusion node. The second pixel circuit has a second floating diffusion node. The ramp signal generating circuit respectively provides a first ramp signal and a second ramp signal to the first floating diffusion node and the second floating diffusion node during a dark sun detection period. The comparator receives a first node voltage of the first floating diffusion node and a second node voltage of the second floating diffusion node. The signal processing circuit determines whether to output an output signal and determines whether to overwrite a digital value corresponding to a sensing signal according to whether the comparator is triggered.

Image sensor and image sensing method

A display device includes a display panel having a plurality of sub-pixel areas, each including a pixel circuit, each pixel circuit including: a diode, configured to be in a forward-biasing state during a display phase of the pixel circuit for light-emitting and configured to be in a reverse-biasing state in a sensing phase of the pixel circuit to generate a sensing voltage; a driving transistor for driving the diode during the display phase; a readout transistor, with a gate receiving the sensing voltage during the sensing phase to serve as a source follower; first to seventh transistors, gate control signals applied to the gates of the first to seventh transistors so that the pixel circuit switches between the display phase and the sensing phase; and a capacitor for storing a data voltage to be written to the diode in the display phase.

Disclosed are a chip with automatic clock signal correction and an automatic correction method. The chip includes a transmission interface, an oscillator and a correction logic circuit. The transmission interface provides a first clock signal. The oscillator generates a second clock signal. The correction logic circuit is coupled to the oscillator and the transmission interface, and performs correction operation to count the first clock signal to generate a first clock count value, and count the second clock signal to generate a second clock count value. When the first clock count value is equal to the first count target value, the correction logic circuit stops counting, and calculates a correction value based on the second clock count value and the second count target value. The correction logic circuit outputs the correction value to the oscillator, and the oscillator corrects a frequency of the second clock signal according to the correction value.

Chip with automatic clock signal correction and automatic correction method

The present invention relates to an image sensing device comprising: an image sensing array and an image processing circuit. The image sensing array includes sensing units, and the sensing units respectively generate multiple pieces of pixel data. The multiple pieces of pixel data are generated according to different frame rates under different exposure periods, and include a first pixel data of a first subframe and a second pixel data of a second subframe. The first pixel data is generated by exposing a first exposure period for a first frame rate, and the second pixel data is generated by exposing a second exposure period for a second frame rate. The first frame rate is less than the second frame rate. The first exposure period is greater than the second exposure period, and multiple pieces of the second pixel data are generated during one image capturing operation.

Image sensing device

Provided is an image sensor circuit, including a pixel array and a plurality of different control circuits. The pixel array comprises a plurality of pixel circuit groups arranged in an array. Each pixel circuit group comprises a plurality of pixel circuits that generate corresponding sensitivity values over exposure duration. The pixel circuits include a first quantity of first pixel circuits, and a second quantity of second pixel circuits. The plurality of different control circuits are respectively coupled to different pixel circuits to control the exposure duration thereof with different transmission signals. The different control circuits are also set to control different pixel circuits to output photo-sensed values at different frame rates. The image sensor circuit periodically generates the pixel value of each pixel circuit group according to first and second exposure durations, first and second frame rates, and first and second light sensitivity values of each pixel circuit group.

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Taipei, Taiwan

Ping-Hung Yin