Boe Technology Group Co., Ltd.

Beijing Boe Optoelectronics Technology Co., Ltd.

Beijing University of Technology

Guizhou Expressway Group Co., Ltd (cn)

Beijing Boe Display Technology Co., Ltd.

Guizhou Expressway Group Co., Ltd.

Xiaojuan Gao

Xiaoping Zhang

Jian Ren

Siqi Yin

Feng Liu

Litao Fan

Site Cai

Xiaoyu Li

Yangli Zheng

Yaodong Wang

Luo Zhang

Yuanfeng Zhang

Zhenguo Zhou

Jiangbi Hu

Xiaoqin Zhang

Linxi Gao

Meng Wang

Shuqian Dou

Fangyi Liu

Guiping Guan

Wenqian Ma

Weili Wang

Da Guo

Jian Zhang

Yujie Liu

Jiaqiang Wang

Chao Yu

Boning Wang

Qin Xin

Pengfei Xu

Gaowei Chen

Jianmin Wang

Yingxue Yu

Fuan Zhu

Jianping Cao

Shengwei Yang

Jinlong Zheng

Xuewen Cao

Mengxing Xu

Ronghua Wang

Xianfeng Mao

Jiamei Liu

Jianlong Cheng

Jiechao Cheng

Shilong Mei

Xiaoshun Lu

Dongxu Yang

Xiance Liu

Mingyu Xie

Xiangzhen Chang

Backlight module and display device are disclosed. The backlight module includes a light source structure and a light guide plate, which includes a body structure and a wedge-shaped structure disposed on the body structure and located at a side adjacent to the light source structure. The body structure includes a light incident surface of body structure. The wedge-shaped structure includes a bottom surface, a wedge surface and a light incident surface of wedge-shaped structure. The light source structure includes a light source, light emitted by which enters the light guide plate through the light incident surface of body structure and the light incident surface of wedge-shaped structure. In a direction perpendicular to the bottom surface, a ratio of thickness of the body structure to thickness of light-exiting surface of the light source is less than or equal to 88%.

Backlight module and display device

The disclosure provides an array substrate, a display panel and a displaying device, relating to the technical field of display ambient light. The array substrate has an active area and a peripheral area located on at least one side of the active area. The array substrate comprises a brightness detection module and a reference module. The brightness detection module is arranged in the peripheral area, comprising at least one first thin-film transistor. The brightness detection module is configured to receive ambient light, generate an ambient light brightness detecting current signal in response to the ambient light and output the ambient light brightness detecting current signal. The reference module is arranged in the peripheral area, comprising at least one second thin-film transistor. The reference module is configured to, in a dark state without ambient light, generate and output a reference current signal.

Array substrate, display panel and displaying device

A method for driving display panel includes: for one of adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by a data selector; when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; first and second orders each represents an order of inputting data signals to the data lines; first order is opposite to second order; for the other of the adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by the data selector.

Method for driving display panel, display panel and display device

The present disclosure provides a backlight module and a display device. The backlight module includes: a back plate including a bottom wall and a side wall coupled thereto, with the bottom wall and the side wall defining an accommodating space; a light guide plate disposed in the accommodating space and including: a light outgoing surface disposed away from the bottom wall, a bottom surface disposed toward the bottom wall, and a light incident surface coupled between the light outgoing face and the bottom face; a light source disposed in the accommodating space and configured to emit light toward the light incident surface; and a composite film located on a side of the light guide plate away from the bottom wall and including a diffuser sheet and a plurality of prism sheets combined together and sequentially arranged in a direction away from the light guide plate.

A display panel, a control method and a display apparatus are provided. The display panel includes a first display area having a notched boundary and a second display area. The first display area includes a first pixel unit group comprising X white sub-pixel or sub-pixels and Y first single color sub-pixels, and the second display area includes a second pixel unit group comprising Y second single color sub-pixels, where X is an integer of at least 1 and Y is an integer of at least 1.

Display panel, control method thereof, and display apparatus

The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (f) performing visual efficacy analysis according to the processing results of the visual recognition information data. The present invention also provides a color temperature standard determining method for a tunnel middle section in day time, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) selecting a stably distributed color temperature segment; (d) determining the color temperature standard. The method of the present invention performs visual efficacy analysis of the influence that light environment settings of illumination on a night road or in a tunnel middle section have on drivers' visual recognition activity, thereby providing a good guiding standard for reasonable and efficient setting of color temperature, color rendering index and average brightness of an illumination device.

Visual efficacy measuring method for objects in different light environments

The invention relates to an illumination standard calculation method for a tunnel entrance section in daytime based on safe visual recognition. The method includes: (a) setting light environment parameters of the tunnel entrance section; (b) determining a feature position in the tunnel, and measuring the average road surface brightness L of the feature position; (c) placing a target object in the feature position and then making a driver drive at different speeds from outside the tunnel towards the target object to measure visual recognition distances D required by the driver to visually discover the target object under different driving speeds, and measuring the road surface brightness Lat the position where the driver visually discovers the target object and calculating the brightness reduction factor K to be the ratio between L and L; (d) resetting the average road surface brightness L of the tunnel entrance section and repeating steps (b) and (c) to obtain a plurality of different sets of visual recognition distances D and corresponding brightness reduction factors K; (e) using Sigmoid function model to calculate and fit the data of the plurality of sets of D and K to obtain a relational model formula of D and K: (f) substituting a safe stopping sight distance Dcorresponding to a maximum speed limit of the tunnel into the formula to obtain the minimum brightness reduction factor Kof the tunnel entrance section in daytime. The invention also relates to a system for implementing the illumination standard calculation method for a tunnel entrance section in daytime based on safe visual recognition.

Illumination standard calculation method and system for a tunnel entrance section in daytime based on safe visual recognition

The present invention relates to a visual efficacy determining method for non-colored objects in different light environments, comprising: a) setting light environment; b) placing an object for performing visual recognition of a driver; c) resetting the light environment, and repeating the step b); d) processing visual recognition information data obtained after experiments, and establishing a correlating relationship between visual recognition time and color temperature, color rendering index and brightness parameters of the light environment; and e) performing visual efficiency analysis according to the visual recognition information data processing results. The present invention further provides a system for implementing the visual efficacy determining method for non-colored objects in different light environments, wherein the system comprises a simulated tunnel middle section subsystem, a testing subsystem and a data processing subsystem. According to the method and the system disclosed by the present invention, visual efficacy analysis is performed on the visual influence of the light environment setting of the illumination of a night road and a tunnel middle section on the driver, and good guidance standards are provided for the reasonable and efficient setting of the color temperature, color rendering index and average brightness of a lighting device.

Visual efficacy determining method for non-coloured objects in different light environments and system thereof

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Beijing, China

Xiaojuan Gao