Tsinghua University

Beijing Boe Technology Development Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Chongqing Boe Display Technology Co., Ltd.

Gen Zhao

Bo Zhang

Jun Hu

Rong Zeng

Jinliang He

Shanxiang Wang

Zhanqing Yu

Yong Ouyang

Zhongxu Wang

Chijie Zhuang

Han Nie

Dongyu Gao

Chengji Deng

Xin Li

Jia Chen

Huihui Li

Liu He

Chunmei Yang

Xunfei Tong

Tong Lv

Jingwei Huang

Yingxiong Deng

Xingzong Jiang

Ling Du

A display device includes a substrate and a plurality of sub-pixels arranged in an array on the substrate, and each of the plurality of sub-pixels includes: a drive unit including a driving transistor and a storage capacitor that are electrically connected; light-emitting devices including a pixel opening region, an orthographic projection of the pixel opening region on the substrate and an orthographic projection of the driving transistor on the substrate are at least partially non overlapping, and the orthographic projection of the pixel opening region on the substrate and an orthographic projection of the storage capacitor on the substrate are at least partially non overlapping; wherein the display device is configured as that, after continuously displaying a white picture at room temperature for two hours, a temperature rise of a display surface of the display device is less than or equal to 15° C.

Display device and driving tool

The embodiment of the present disclosure provides a display panel and a display device. The display panel includes: a first sub-pixel configured to display a first color, a second sub-pixel configured to display a second color, and a third sub-pixel configured to display a third color; when a picture displayed by the display panel is switched from a black picture to a picture having a maximum gray scale of the first color, the second color and the third color, respectively, a ratio of a brightness of a first frame of picture to a maximum value among brightness of stabilized several frames of pictures is a first initial frame brightness proportion, a second initial frame brightness proportion and a third initial frame brightness proportion, respectively; the first, second and third initial frame brightness proportions have a Max-Min less than or equal to a threshold.

Display panel and display device

An optimized extremely-large magnetic field measuring method includes: placing four orthogonally configured tunneling magnetoresistive resistors into an externally applied magnetic field, acquiring the resistances of the tunneling magnetoresistive resistors; calculating the angle between a magnetization direction of a free layer of each tunneling magnetoresistive resistor and that of a reference layer on the basis of the resistances of the four resistors; calculating magnetic field intensity Hand direction &#x3b8;of the externally applied magnetic field calculating magnetic field intensity Hand direction &#x3b8;of the externally applied magnetic field; and determining final magnetic field intensity Hof the externally applied magnetic field on the basis of magnetic field intensity Hand of magnetic field intensity H; determining final direction &#x3b8; of the externally applied magnetic field on the basis of direction &#x3b8;and of direction &#x3b8;; and optimizing on the basis of direction &#x3b8; and of magnetic field intensity H.

Optimized extremely-large magnetic field measuring method and device

A wide magnetic field range measuring method includes the measurement step for a medium-and-large magnetic field and the measurement step for an extremely large magnetic field. In addition to that, the method further includes: Step 1: placing four orthogonally-configured magnetic resistance resistors into an external magnetic field and obtaining the resistance value of each magnetic resistance resistor; Step 2: substituting the resistance values of two mutually orthogonal magnetic resistance resistors into the measurement step for a medium-and-large magnetic field for calculation; if calculation process converges, then, determining that the external magnetic field as a medium-and-large magnetic field with the calculation result representing the magnetic field intensity and the direction of the medium-and-large magnetic field.

Wide magnetic field range measuring method and device

An all-quadrant measurement method for a middle-large magnetic field includes the steps of placing four orthogonally configured magnetic resistances in an external magnetic field; determining two magnetic resistances with the minimum resistance values, thereby determining that the other two magnetic resistances are in an S1 status, and making resistance values of the two magnetic resistances which are in the S1 status be R1 and R2, and at the same time taking an initial reference layer magnetization direction of the two magnetic resistances as a given reference layer magnetization direction when there is no magnetic field; respectively calculating an included angle between a free layer magnetization direction and the reference layer magnetization direction of the two magnetic resistances; respectively calculating the free layer magnetization direction of the two magnetic resistances; and solving a magnetic field amplitude and direction of the external magnetic field.

All-quadrant measurement method for middle-large magnetic field

Growing community of inventors

Beijing, China

Gen Zhao