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公开(公告)号：US20210211620A1
公开(公告)日：2021-07-08
申请号：US17058617
申请日：2019-09-06
Applicant: GOERTEK INC.
Inventor： Xinxin HAN , Nanjing DONG , Debo SUN
IPC: H04N9/31
Abstract: Provided are a method and an apparatus for correcting a color convergence error, and a device. The method includes: in a darkroom environment, acquiring a projection image obtained by projecting a test pattern containing N white shape points by a projection system, where N is an integer greater than or equal to 2; performing color separation on N shape image points on the projection image, to obtain N shape image points corresponding to R, G, and B color components respectively; determining color coordinates corresponding to R, G, and B according to the N shape image points corresponding to R, G, and B color components respectively; and adjusting an assembly parameter of the projection system according to the color coordinates corresponding to the R, G, and B. The present disclosure may detect and correct color convergence error of the projection system.
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公开(公告)号：US20200331105A1
公开(公告)日：2020-10-22
申请号：US16753304
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Nanjing DONG , Debo SUN
Abstract: An apparatus and a method for assembling optical module. The apparatus includes: a plurality of fixtures, an alignment mechanism, a power supply, a spectroscopic prism with a light incident surface close to the plurality of optical modules to be aligned, a first image collecting means close to a first light emitting surface of the spectroscopic prism and a second image collecting means with a second light emitting surface of the spectroscopic prism; the controller is configured to determine a light spot that does not meet a quality requirement according to the positions and/or sizes of the plurality of imaging light spots, and generate a corresponding aligning instruction, and determine a to-be-assembled lens corresponding to the light spot that does not meet requirements according to a correspondence between a to-be-assembled lens and the light spot, and output the aligning instruction to an alignment mechanism to adjust a position of the lens.
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公开(公告)号：US20210235047A1
公开(公告)日：2021-07-29
申请号：US17051729
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Xinxin HAN , Nanjing DONG , Debo SUN
Abstract: Provided are a method and an apparatus for correcting a color convergence error. The method includes: in a dark room environment, collecting a projection light point on a projection screen projected by a projection system, to obtain a projection image; adjusting the test pattern, so that a first projection light point corresponding to the white point of a first coordinate on the test pattern after being projected by a first color light source is located in a center of the projection image; obtaining a second and/or a third projection light points corresponding to the white point of the first coordinate after being projected by a second and/or a third color light sources from the projection image; and adjusting an assembly parameter of the projection system according to a position of the second and/or the third projection light points and a position of the first projection light point.
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公开(公告)号：US20210211625A1
公开(公告)日：2021-07-08
申请号：US17058619
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Xinxin HAN , Zhiyong ZHAO , Nanjing DONG , Debo SUN
Abstract: Provided are a method and an apparatus for correcting a color convergence error, and a device. The method includes: controlling a projection system to project a first test pattern containing three sets of monochromatic test points and a second test pattern containing three sets of R, G, and B test points, to collect a first projection image and a second projection image on the projection screen; acquiring a first center-of-mass coordinate and a second center-of-mass coordinate corresponding to projection image points on the first projection image and the second projection image; calculating color noises corresponding to R, G, and B according to the first center-of-mass coordinate and the second center-of-mass coordinate; calculating color coordinates corresponding to the R, G, and B according to the color noises corresponding to the R, G, and B and the second center-of-mass coordinate; and adjusting an assembly parameter of the projection system.
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公开(公告)号：US20210075950A1
公开(公告)日：2021-03-11
申请号：US16976745
申请日：2019-04-09
Applicant: GOERTEK INC.
Inventor： Xinxin HAN , Zhiyong ZHAO , Nanjing DONG , Debo SUN
IPC: H04N5/235
Abstract: Provided are a method and an apparatus for adjusting an exposure time of a camera and a device, where the method includes: controlling the camera to collect an imaging light spot of an imaging component with a first exposure time; obtaining an energy value received when the camera collecting the imaging light spot; if the energy value is not within a set energy range, obtaining a curve parameter corresponding to an exposure time-energy curve according to the energy value and the first exposure time; calculating an estimated exposure time corresponding to an optimal energy value according to the curve parameter; and updating the first exposure time with the estimated exposure time corresponding to the optimal energy value. The technical solution provided in the present disclosure can adjust the exposure time of the camera to a reasonable value so as to improve the accuracy and reliability of light spot analysis.
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Patent Agency Ranking
公开(公告)号：US20200241509A1
公开(公告)日：2020-07-30
申请号：US16753308
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Nanjing DONG , Debo SUN
Abstract: An apparatus and a method for assembling optical module. The apparatus includes: a plurality of fixtures, an alignment mechanism, a power supply, a spectroscopic prism with a light incident surface close to the plurality of optical modules to be aligned, a first color image collecting means close to a first light emitting surface of the spectroscopic prism and a second color image collecting means with a second light emitting surface of the spectroscopic prism; the controller is configured to determine a light spot that does not meet a quality requirement according to the positions and/or sizes of the plurality of imaging light spots, and generate a corresponding aligning instruction, and determine a to-be-assembled lens necessary to be adjusted according to a color of the light spot that does not meet quality requirements, and output the aligning instruction to an alignment mechanism to adjust a position of the lens necessary to be adjusted.
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公开(公告)号：US20210248734A1
公开(公告)日：2021-08-12
申请号：US17051728
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Xinxin HAN , Zhiyong ZHAO , Nanjing DONG , Debo SUN
Abstract: Provided are a method and an apparatus for detecting pixel defect of optical module, and a device, where the method includes: graying an image obtained by imaging a test binary image by an optical module in a darkroom environment to obtain a first grayscale image; determining a first grayscale area and a second grayscale area corresponding to two gray levels in the test binary image from the first grayscale image; determining a pixel point not matching a grayscale feature of respective grayscale region from the first grayscale area and the second grayscale area respectively as a pixel defect point; and determining the pixel defect of the optical module according to the pixel defect point. The technical solution provided in the present disclosure can detect accurately a pixel defect of an optical module which is advantageous in optimizing the processing technology of the optical module.
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公开(公告)号：US20200292837A1
公开(公告)日：2020-09-17
申请号：US16652361
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Nanjing DONG , Debo SUN
Abstract: Provided are a method and an apparatus of optical module assembly, where the method includes: when an optical module to be aligned images, controlling an alignment mechanism clamping a lens to be assembled to move in a set direction by a set movement step; when the alignment mechanism moves each time, collecting, by an image acquisition device, light spots imaged by the optical module to be aligned sequentially, and selecting a light spot with a minimum size from the collected light spots; determining an optimal position of the alignment mechanism according to at least two light spots before the light spot with the minimum size and at least two light spots thereafter; and controlling the alignment mechanism to move to the optimal position to align the lens to be assembled.
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公开(公告)号：US20200264444A1
公开(公告)日：2020-08-20
申请号：US16646984
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Nanjing DONG , Debo SUN
Abstract: Provided is an optical module assembly device, including: a fixing member for fixing an optical member to be assembled, a power supply component for supplying power to the optical member to be assembled, and an alignment mechanism for placing a lens to be assembled at the specified position; a beam splitting prism with an in-light surface close to the optical member to be assembled, a first image acquisition device close to a first out-light surface of the beam splitting prism and coaxial with the first out-light surface, and a second image acquisition device close to a second out-light surface of the beam splitting prism and coaxial with the second out-light surface; and a controller configured to control the alignment mechanism to adjust a position of the lens to be assembled according to the images captured by the first image acquisition device and the second image acquisition device.
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公开(公告)号：US20200238455A1
公开(公告)日：2020-07-30
申请号：US16753310
申请日：2018-09-06
Applicant: GOERTEK INC.
Inventor： Nanjing DONG , Debo SUN
Abstract: An apparatus and a method for assembling optical module is provided and the method includes: controlling an alignment mechanism holding a to-be-assembled lens to move at a preset step-size in a preset direction when an optical module to be aligned generates an image; collecting light spots of the images generated by an optical module to be aligned sequentially by an image collecting means, each time the alignment mechanism moves; selecting a light spot with a minimum size from the collected light spots, and determining a movement position of the alignment mechanism when the light spot with the minimum size is collected, as an optimal position; controlling the alignment mechanism to move to the optimal position to align the to-be-assembled lens.
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