Boe Technology Group Co., Ltd.

Saihua Chen

Heliang Di

Tieshi Wang

Wanpeng Teng

Zhihong Du

Xuefei Wang

Shanshan Zhou

Wei Wei

Xiangxiang Zou

Zhiying Zhang

An angle-of-view testing method for a projection display device, including setting a reference viewpoint at a same side as a reflective surface associated with the projection display device, setting a metrical marker plate with a metrical marker at another side opposite to the reflective surface at a first distance from the reference viewpoint, projecting a testing picture onto the reflective surface by the projection display device, where light of the testing picture is reflected by the reflective surface toward the reference viewpoint, such that a projected image as a virtual image of the testing picture is observed at the reference viewpoint as being projected onto the metrical marker plate, determining the coverage of the projected image with respect to the metrical marker of the metrical marker plate, and determining an angle of view of the projection display device based on the determined coverage.

Angle-of-view testing method, device and system for a projection display device

The present disclosure discloses a test method and system for a wearable device, and belongs to the field of electronic technology application. The method includes: controlling a wearable device displaying a test image to enter a test process, wherein the test process is a process of changing from a stationary state to a motion state and then to a stationary state along a specified direction; acquiring two images displayed by the wearable device in the test process; and determining display errors of the wearable device according to a difference in specified parameters of the two images.

Test method and system for wearable device

In one embodiment, there is provided an optical fiber sound pickup device including: a housing having a substantially cylindrical structure; a vibration diaphragm mounted to an end face of a first side end of the housing; a ferrule including a main body of a substantially cylindrical shape, at least a part of the main body being mounted in the housing by cooperating with an inner wall of the housing, a head end of the main body that is close to the vibration diaphragm being separated from the vibration diaphragm by a distance; and an optical fiber fixedly extending through into the ferrule, a head face of the optical fiber being flush with an end face of the head end. A method and an equipment for manufacturing an optical fiber sound pickup device are also provided.

Optical fiber sound pickup device and method for equipment for manufacturing the same

A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.

Testing method for splicing screens

A testing method and a testing apparatus for splicing screens () are provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens (), the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens () so as to enable the splicing screens () to display the corresponding testing sub pictures, and the testing sub pictures include testing contents (); and testing the splicing screens () through the testing contents (). Testing on the splicing screens () is achieved, and a testing result can be used for regulating the splicing screens (), so that defects generated in the displaying process of the splicing screens () are reduced.

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Beijing, China

Saihua Chen