Opto has obtained patents related to coaxial light sources. The coaxial light source and device can perform regional defect detection on workpieces.

On April 3, information from the National Intellectual Property Administration shows that Guangdong Optek Technology Co., Ltd. has applied for a patent titled “A Coaxial Light Source and Detection Device,” with the authorized publication number CN224067119U. The authorized publication date is March 31, 2026. The application number is CN202520760659.0. The application publication date is March 31, 2026. The application date is April 21, 2025. Inventors are Zhong Chao, Hu Wei, and Ye Guanpeng. The patent agency is Beijing Xinhao Liande Patent Agency (General Partnership). The patent agent is Yang Qingqing. Classification numbers are G03B15/02, G01N21/01, G01N21/88, and F21V13/04.

The patent abstract shows that this utility model involves the technical field of light source structures. It discloses a coaxial light source and detection device, including a housing, a lamp board installed in the housing, and a beam-splitting mirror installed on the light-emitting side of the lamp board; it also includes a transmissive detection plate group. The transmissive detection plate group is installed between the lamp board and the beam-splitting mirror and includes a first transmissive plate and a second transmissive plate. The first transmissive plate and the second transmissive plate are both parallel to the lamp board, and the light passes through the first transmissive plate. A series of detection stripes are spaced apart on the first transmissive plate, and the second transmissive plate is a diffusion plate. In the direction perpendicular to the surface of the lamp board, the projection of the first transmissive plate to the lamp board forms a first projection region, and the projection of the second transmissive plate to the lamp board forms a second projection region, with at least partially non-overlapping areas. This utility model’s coaxial light source and detection device can create different lighting effects on different regions of a workpiece, so as to detect defects in different regions of the workpiece.

Optek was established on March 24, 2006, and was listed on the Shanghai Stock Exchange on December 31, 2020. Its registered address and office address are both in Dongguan City, Guangdong Province. It is a leading enterprise in the domestic machine vision industry, focusing on core machine-vision software and hardware products, and has comprehensive technical and product advantages.

Optek mainly engages in the research and development, production, and sales of core machine-vision software and hardware products. The industry it belongs to under Shenwan is Machinery Equipment - Automation Equipment - Other Automation Equipment. It belongs to the Kechuang Board market-making shares, as well as the neural network and machine vision concept sectors.

In 2025, Optek’s operating revenue was 1.27B yuan, ranking 2nd among 5 companies in the industry, which is higher than the industry average of 0.9969 billion yuan and the median of 0.95 billion yuan. The 1st place company, Beizhi Technology, had 2.11B yuan. In its principal business, machine vision revenue was 0.96 billion yuan, accounting for 75.66%; machine vision accessories were 173M yuan, accounting for 13.66%; motion control products were 135M yuan, accounting for 10.64%; and other (supplement) 615.4k yuan, accounting for 0.05%. Regarding net profit, in 2025 Optek had 192M yuan, ranking 1st in the industry, which is higher than the industry average of 0.0269336 billion yuan and the median of 112M yuan. The 2nd place company, Beizhi Technology, had 172M yuan.

Guangdong Optek Technology Co., Ltd.’s recent patent situation is as follows:

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