Shanghai Oxi Technology Co., Ltd

Semiconductor Manufacturing International (shanghai) Corporation

Mettler-toledo Gmbh

International Business Machines Corporation

Chinese Academy of Sciences

Inventec Corp.

Semiconductor Manufacturing International (beijing) Corporation

Inventec (pudong) Technology Corporation

Covestro Deutschland Ag

Dalian University of Technology

East China University of Science and Technology

Semiconductor Manufacturing International Corp.

Mettler-toledo International Trading (shanghai) Co., Ltd.

Mettler-toledo Instruments (shanghai) Co. Ltd

Shanghai Oxitech. Co, Ltd

Hong Iris Zhu

Yan Ling

Jim Yang

Jianping Yang

Wei Fang

Changlin Wang

Yong Han

Weiping Lin

Zhicheng Na

Yajie Zheng

Ketao Lu

Min Xu

Jian Ding

Jian Min Jiang

Yves Marmier

Cong Wang

Jin Song Ji

Si Yuan Zhang

Jieguang Huo

Zehong Miao

Yufang Xu

Liwei Wu

Bing He

Xuhong Qian

Matthias Gietenbruch

Fengjin Wang

Minwei Xi

Fanfeng Zu

Jen-Chieh Lin

Liping Lin

Samuel Leng

Celia Xin

Yonggang Li

Baoyuan Qu

Yan Zhang

Shiwen Hu

Karl Bertsch

Xiping Sheng

HoChien Kung

Jessy Xu

An array sensor and a method for forming and operating the same are provided. The array sensor includes: a sensor circuit including an array of pixel units that includes N rows of pixel units; and a driving circuit including at least N rows of shifting units; where the driving circuit further includes: a first global clearing signal line connected with odd rows of shifting units, a signal of which being applied to trigger the odd rows of shifting units to simultaneously turn on odd rows of pixel units, so that the odd rows of pixel units simultaneously discharge residual charge; and a second global clearing signal line connected with even rows of shifting units, a signal of which being applied to trigger the even rows of shifting units to simultaneously turn on even rows of pixel units, so that the even rows of pixel units simultaneously discharge residual charge.

Array sensor, method for forming and operating the same

A health status detecting system includes a first acquisition device configured to collect a plurality of images of a finger of a user; a second acquisition device configured to obtain an electrocardiogram of the user; and a processor configured to process the plurality of images to obtain a pulse wave of the user and configured to obtain a blood pressure of the user based on the pulse wave and the electrocardiogram of the user.

Health status detecting system and method for detecting health status

A socket testing method comprises obtaining a raw socket image, performing binarization on the raw socket image to generate a binarized socket image, determining a plurality of pinhead locations in the binarized socket image, applying a grid with the grid including a plurality of intersections to the binarized socket image, for each of the plurality of pinhead locations, obtaining the distance between the pinhead location and one of the plurality of intersections which is nearest to the pinhead location, and outputting a warning signal associated with the pinhead location when determining that the distance is larger than a tolerance value.

Socket testing method and system

The present disclosure provides a method and a circuit for signal collection of an image sensor. The image sensor includes a plurality of pixels arranged in an array, and each of the plurality of pixels include a photodiode. The method for signal collection includes: performing signal collection row by row on the plurality of pixels in each signal collection period, wherein the signal collection period comprises at least one reset frame and at least one clear frame; applying a forward bias voltage to the photodiode of each of the plurality of pixels being collected in each reset frame; and applying a reverse bias voltage to the photodiode of each of the plurality of pixels being collected in each clear frame. The solution provided by the present disclosure can ensure a better clearing effect and eliminate the impact of ambient light on imaging, while shortening the signal collection period.

Method and circuit for signal collection of image sensor

An optical fingerprint sensor apparatus and an assembling method thereof are provided. The optical fingerprint sensor apparatus includes: a support frame structure having an opening therein, the opening penetrating through the support frame structure; an optical fingerprint sensor module disposed in the opening; a support plate disposed below the optical fingerprint sensor module and at the bottom of the support frame structure, wherein the support plate is fixedly connected to the bottom of the support frame structure; an elastic support member disposed between the optical fingerprint sensor module and the support plate, wherein the elastic support member is fixedly connected to the optical fingerprint sensor module and the support plate, respectively; and a self-luminous display panel disposed on the optical fingerprint sensor module and the support frame structure, wherein the self-luminous display panel and the support frame structure are fixedly connected. Performance of the optical fingerprint sensor apparatus is improved.

Optical fingerprint sensor apparatus and assembling method thereof

An optical fingerprint module, comprising: a protective layer; an optical fingerprint sensor; a backlight source, said backlight source being located below the protective layer; the optical fingerprint sensor is stacked directly below the protective layer, or directly adhered to the bottom of the protective layer; the backlight source is located at a side of the optical fingerprint sensor. The present optical fingerprint module has a smaller size and better mechanical reliability.

Optical fingerprint module

A self-luminous display pixel is provided, including: a self-luminous circuit which includes a self-luminous device, wherein the self-luminous display pixel further include an optical fingerprint sensing circuit, wherein the optical fingerprint sensing circuit comprises a first TFT device and a photosensitive device, and a channel layer of the first TFT device is disposed right under a portion of the photosensitive device. The self-luminous display pixel provides a fingerprint sensing function, and possesses an improved structure.

Self-luminous display pixel

An optical structure has a cavity () with an opening provided at one end and a first through hole or first gap () provided at the end opposite the opening. The cavity is further provided internally with a beam splitter or a dichroic mirror (). A first LED () emits light into the cavity through the first through hole or the first gap, which passes directly passing through the beam splitter or dichroic mirror and exits from the opening of the cavity A second LED () emits light into the cavity through a second through hole or second gap () in a side of the cavity, which is reflected by the beam splitter or dichroic mirror. It is then fused with the light emitted by the first LED. The light emitted by the respective LEDs have an identical optical path length to the beam splitter or the dichroic mirror.

Optical structure

A display panel is provided, including: a display region including a plurality of self-luminous display pixels configured in array, wherein the display region includes at least one optical fingerprint sensing region, wherein at least one optical fingerprint sensing element is configured in each pixel among k self-luminous display pixels in every group of m by n self-luminous display pixels in every optical fingerprint sensing region, where m and n are any integers no less than 1, and k is any integer from 1 to m by n. Functions of the display panel are strengthened, and performance of the functions is improved.

Display panel

A fingerprint module, comprising: a first part comprising a sensor, and a cover glass disposed on the sensor; and a second part comprising a light guide plate, and a LED disposed aside the light guide plate, wherein the first part and the second part are separate. More degree of freedom of the fingerprint module achieved in assembly.

Fingerprint module

A display module is provided, which includes: a first substrate and a second substrate disposed face to face, where the first substrate is a non-opaque substrate; a self-luminous display layer disposed between the first substrate and the second substrate, an optical fingerprint sensing layer disposed between the self-luminous display layer and the second substrate, where the optical fingerprint sensing layer has a photosensitive pixel region; the self-luminous display layer has a non-opaque region, at least a portion of light transmitting from the first substrate to the self-luminous display layer can pass through the self-luminous display layer and reach the optical fingerprint sensing layer; and the self-luminous display layer has a light-blocked region located between the self-luminous layer and the optical fingerprint sensing layer which is configured to prevent light emitting from the self-luminous layer from reaching the optical fingerprint sensing layer before entering the first substrate.

Display module

An optical fingerprint imaging system and an array sensor are provided. The optical fingerprint imaging system includes: a cover plate, a backlight source, an array sensor disposed between the cover plate and the backlight source, and an optical assembly; the array sensor includes an array of pixels each of which has an opaque region and a nonopaque region, the opaque region includes an photosensitive device for converting an input light into electronic signals, and the nonopaque region is adapted for allowing light from the backlight source passing through, and the optical assembly is adapted for partially blocking the light from the cover plate to the photosensitive device, and is configured with at least one light tunnel between the cover plate and each of the photosensitive devices, wherein the light tunnel allows light passing through in a preset range of direction. Accordingly, the contrast of a fingerprint image obtained is enhanced.

Optical fingerprint imaging system and array sensor

A self-luminous display pixel is provided, including: a self-luminous circuit including a self-luminous device, the self-luminous device including a bottom electrode layer; wherein the bottom electrode layer includes a light blocking layer; and the self-luminous display pixel further includes an optical fingerprint sensing circuit, the optical fingerprint sensing circuit includes a first TFT device and a photosensitive device, and a channel layer of the first TFT device is disposed right under a portion of the bottom electrode layer. A fingerprint sensing function can be realized by the self-luminous display pixel, and an overall structure of the self-luminous display pixel can be optimized.

An optical fingerprint module comprises: an optical fingerprint sensor, the optical fingerprint sensor having a non-opaque substrate and a device layer located on a surface of the non-opaque substrate, the device layer having a pixel area, the pixel area having a plurality of pixels, each pixel having a non-opaque area and a light blocking area, the light blocking area having a photosensitive element, the non-opaque area enabling lights to transmit through the pixel area of the device layer; a protection layer located above the entire optical fingerprint sensor; and a backlight source located right under the pixel area, the backlight source and the optical fingerprint sensor being disposed with an interval, an included angle formed between light emitted from the backlight source and an upper surface of the protection layer being mainly a right angle or a near-right angle. The optical fingerprint module has an improved structure and enhanced performance.

An optical fingerprint module comprises: an optical fingerprint sensor, the optical fingerprint sensor having a non-opaque substrate and a device layer located on a surface of the non-opaque substrate, the device layer having a pixel area, the pixel area having a plurality of pixels, each pixel having a non-opaque area and a light blocking area, the light blocking area having a photosensitive element, the non-opaque area enabling lights to transmit through the pixel area of the device layer; a protection layer located above the optical fingerprint sensor; and a backlight source located under the pixel area, an included angle formed between a light emitted from the backlight source and an upper surface of the protection layer being an acute angle. The optical fingerprint module has an improved structure and enhanced performance.

Growing community of inventors

Shanghai, China

Hong Iris Zhu