CN206095585U - Light detecting system and light detection device - Google Patents
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Abstract
The utility model provides a light detecting system and light detection device, wherein, this light detecting system includes the light source of following the light path and setting gradually, first diaphragm, even light unit, polarisation translation unit, the LCD board, and detecting element, the light source produces the light beam, the light trap that will not need through first diaphragm falls, useful light gets into polarisation translation unit behind the even light of even light unit, S attitude or P attitude polarized light that output needs, further keep off out of use stray light through the second diaphragm, pass through through the LCD board again, get into detecting element, can accurately detect the light quantity of the light of LCD board transmission, and then can be based on the efficiency of more accurately matcing the ray apparatus to the detected value of LCD board transmitted light. The utility model discloses a light detecting system has solved inaccurate, the unsafe technical problem of ray apparatus efficiency of luminance that current smooth detecting system detected, has reduced optical test technology, has improved detection efficiency greatly.
Description
Technical Field
The utility model relates to the field of optical technology, especially, relate to an optical detection system and optical detection device.
Background
At present, projection technology is rapidly advanced, a light source undergoes technical innovation from a traditional xenon lamp, a UHP lamp to a laser light source, but a corresponding detection system is not updated all the time, and the efficiency calibration of the light source still uses an earlier detection system, namely, the light source passes through a circular small hole, the brightness of the light passing through the small hole is detected, the default brightness of the light transmitted by a light valve such as an LCD is determined, and the brightness is used as the factory brightness of a projection device applying the light source and the light valve adopted by the detection system. Data detected by the conventional optical detection system brings many uncertain factors to subsequent design and analysis of optical-mechanical efficiency, and because data provided by manufacturers are not obtained according to optimized design angles and size tests and have large deviation, the detected brightness of light transmitted by an LCD light valve is inaccurate.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a light detection system, which aims to solve the technical problems of inaccurate brightness and inaccurate optical-mechanical efficiency of the light detected by the conventional light detection system.
In order to achieve the above object, the present invention provides an optical detection system, which comprises a light source, a first diaphragm, a light equalizing unit, a polarized light converting unit, an LCD panel, and a detecting unit, which are sequentially disposed along a light path; wherein,
a light source generating a light beam;
the first diaphragm is used for adjusting the angle and the intensity of the light beam;
the dodging unit is used for dodging the light beam penetrating through the first diaphragm;
the polarization conversion unit outputs the light beams transmitted through the dodging unit into S-state polarized light or P-state polarized light;
the LCD panel receives the S-state polarized light or the P-state polarized light output by the polarization conversion unit;
and a detection unit for detecting the brightness of the light transmitted from the LCD panel to calculate the optical-mechanical efficiency.
Further, the polarization conversion unit comprises a barrier, a PBS and an 1/2 wave plate which are sequentially arranged along the optical path; wherein,
a barrier filtering part of the light beam output from the dodging unit;
the PBS transmits P-state polarized light and reflects S-state polarized light;
1/2 wave plate, converts the P-state polarized light transmitted from the PBS into S-state polarized light.
Furthermore, the optical detection system further comprises a first condensing lens, wherein the first condensing lens is arranged on an optical path between the polarization conversion unit and the LCD panel, collects S-state polarized light output by the polarization conversion unit, and emits the S-state polarized light into the LCD panel.
Furthermore, the optical detection system further comprises a second diaphragm, wherein the second diaphragm is arranged on a light path between the first condensing lens and the LCD panel, and is used for adjusting the angle and the intensity of S-state polarized light which enters the LCD panel.
Further, the optical detection system further comprises a second condenser lens, wherein the second condenser lens is arranged on an optical path between the first condenser lens and the second diaphragm, focuses the S-state polarized light, and emits the S-state polarized light into the LCD panel.
Further, the dodging unit comprises a first fly eye lens array facing the light source and a second fly eye lens array facing away from the light source, and the light beam passing through the first fly eye lens array is focused on the second fly eye lens array with the focal length f'AThen, thenWherein A is the diameter of the light beam, W is the width of the LCD panel, f'BThe focal length of the lens group formed by the second fly-eye lens array and the first condenser lens, or the focal length of the lens group formed by the second fly-eye lens array, the first condenser lens and the second condenser lens.
Further, the method can be used for preparing a novel materialThe ground is a mixture of a plurality of ground,phi is the maximum deflection angle at which the light beam can enter the polarization conversion unit; the value of F/# is 1.6-2.4.
Further, the light source is a laser, an LED or a bulb.
Another object of the present invention is to provide a light detection device, which includes the light detection system as described above.
The utility model discloses an optical detection system, include the light source that sets gradually along the light path, first diaphragm, even light unit, polarisation conversion unit, the LCD board, and detecting element, the light source produces the light beam, keep off through first diaphragm with the light that does not need, useful light gets into polarisation conversion unit after even light of even light unit, S attitude polarized light or the P attitude polarized light that the output needs, through the LCD board transmission again, get into detecting element, can calculate the actual luminance of light source according to the light quantity of transmission to the LCD board, and then more accurately match the efficiency of ray apparatus. The utility model discloses a light detection system has solved the inaccurate, the unsafe technical problem of ray apparatus efficiency of luminance of the LCD transmission light that current light detection system detected, has reduced the light inspection technology, has improved detection efficiency greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an embodiment of an optical detection system according to the present invention;
FIG. 2 is a schematic structural diagram of the polarization conversion unit of FIG. 1;
FIG. 3 is a light path diagram of an embodiment of the optical detection system of the present invention;
fig. 4 is another schematic structural diagram of the polarization conversion unit of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the optical detection device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | Light source | 50 | LCD panel |
| 20 | First diaphragm | 60 | Detection unit |
| 30 | Light uniformizing unit | 70 | First condenser lens |
| 40 | Polarized light conversion unit | 80 | Second diaphragm |
| 41 | Fence (T-bar) | 90 | Second condenser lens |
| 42 | PBS | 100 | Light source detection device |
| 43 | 1/2 wave plate |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an embodiment of a light detection system, which includes a light source 10, a first diaphragm 20, a light uniformizing unit 30, a polarization conversion unit 40, an LCD panel 50, and a detection unit 60, which are sequentially disposed along a light path; wherein,
a light source 10 generating a light beam;
a first diaphragm 20 for adjusting the angle and intensity of the light beam;
a dodging unit 30 for dodging the light beam transmitted through the first diaphragm 20;
a polarization conversion unit 40 outputting the light beam transmitted through the dodging unit 30 as S-state polarized light or P-state polarized light;
an LCD panel 50 receiving the S-state polarized light or the P-state polarized light output from the polarization conversion unit 40;
the detecting unit 60 detects the brightness of the light transmitted from the LCD panel 50, thereby calculating the optical-mechanical efficiency.
The light detection system of the present embodiment includes a light source 10, a first diaphragm 20, a light uniformizing unit 30, a polarization conversion unit 40, an LCD panel 50, and a detection unit 60, which are sequentially disposed along an optical path, the optical path simulates an optical path structure of an optical machine, the light quantity after a light beam generated by the light source 10 enters the first diaphragm 20 and before the light uniformizing unit 30 is simulated as the light quantity of the light entering the optical machine, and the light quantity transmitted through the LCD panel 50 is simulated as the light quantity of the light exiting the optical machine. The light source 10 is used for generating a light beam, in this embodiment, the light source 10 is provided by a laser in a projector, and the fluorescent wheel is excited by the laser to generate the fluorescent light of three colors of red, green and blue, in other embodiments, the light source may be provided by an LED or a bulb in the projector, and in addition, the projector type may be a 3LCD or a single LCD. The first diaphragm 20 is used for adjusting the angle and intensity of the light beam, because the brightness and angle of the light beam detected each time are different, in order to test the brightness of the light which is incident to the LCD panel and is transmitted as accurately as possible, the first diaphragm 20 controls the size of the light beam through a specially-designed clear aperture according to the size of the whole surface of the dodging unit 30, filters out unwanted stray light, and emits useful light into the dodging unit 30 for dodging, the dodging unit 30 is generally a double-row fly-eye lens array, or a dodging rod can be used, the light beam with dispersed angle is refracted twice through the double-row fly-eye lens array to form a uniform parallel light beam to be emitted into the polarization conversion unit 40, the polarization conversion unit 40 is mainly used for transmitting S-state polarized light carried by the light beam itself and converting P-state polarized light after dodging processing by the dodging unit 30 into S-state polarized light, so as to be more beneficial to the LCD panel 50, or P-polarized light of the projection light beam, and S-polarized light after the light uniformizing process by the light uniformizing unit 30 is converted into P-polarized light.
In the embodiment provided in fig. 1, the LCD panel 50 is a receiving carrier for S-polarized light or P-polarized light, which is also an important part of testing the imaging range and brightness of the LCD panel 50, when detecting the brightness of the light passing through the LCD panel 50, the brightness transmitted by different models of LCD panels can be simulated by adjusting the size of the LCD panel 50, different LCD panels need different light-homogenizing units 30 corresponding to them, and when the light detection system is in operation, the LCD panel is in a non-operating state, i.e., without changing the direction and polarization state of the light source under test, so that the S-state polarized light or the P-state polarized light incident to the LCD panel 50 is directly incident to the detecting unit 60, so that the detecting unit 60 directly detects the brightness of the light transmitted from the LCD panel 50 to ensure that the obtained measurement value is accurate, which, in the embodiment provided in fig. 1, the detecting unit 60 is an integrating sphere, and a brightness detector can be used in other embodiments. In addition, since the light output efficiency is the light output of the light output machine/the light input machine, the light output of the light output machine directly affects the accuracy of the light output efficiency. Among the prior art, the measured value to the light quantity of the light that the LCD board transmits is less than actual value, has caused the light machine efficiency value more actually lower than usual, the utility model discloses a light detection system, the incident of detection is comparatively accurate to the luminance of LCD board and transmitted light, therefore the light machine efficiency that obtains is also more objective, accurate. In addition, as a detection method for the light quantity of the light inlet machine, referring to fig. 1, the detection unit 60 can be directly disposed behind the first diaphragm 20, so as to detect the light quantity emitted by the light source 10 by adjusting the first diaphragm 20 in cooperation with the detection unit 60, thereby obtaining the light quantity detection value of the light inlet machine, and further obtaining the accurate light machine efficiency.
The light detection system of the embodiment comprises a light source 10, a first diaphragm 20, a light homogenizing unit 30, a polarization conversion unit 40, an LCD panel 50 and a detection unit 60 which are sequentially arranged along a light path, wherein the light source 10 generates light beams, unnecessary light is blocked through the first diaphragm 20, useful light enters the polarization conversion unit 40 after being homogenized through the light homogenizing unit 30, required S-state polarized light or P-state polarized light is output, the S-state polarized light or the P-state polarized light is transmitted through the LCD panel 50 and enters the detection unit 60, the light quantity of the light transmitted by the LCD can be accurately detected, and the efficiency of the light machine can be matched more accurately. The utility model discloses a light detection system has solved the inaccurate, the unsafe technical problem of ray apparatus efficiency of luminance of the LCD transmission light that current light detection system detected, has reduced the light inspection technology, has improved detection efficiency greatly.
Further, referring to fig. 2 and 3, the polarization conversion unit 40 includes a barrier 41, a PBS42, and a 1/2 wave plate 43 sequentially disposed along the optical path; wherein,
a barrier 41 filtering a part of the light beam output from the light unifying unit 30;
PBS42, transmitting P-state polarized light and reflecting S-state polarized light;
1/2 wave plate 43 converts P-state polarized light transmitted from PBS42 to S-state polarized light.
In the light detection system of the present embodiment, the polarization conversion unit 40 includes a barrier 41, a PBS42, and a 1/2 wave plate 43 sequentially arranged along the optical path; the barrier 41 is generally integrally formed with the PBS42, and is used for filtering part of the light beam output from the dodging unit 30, the laser-excited fluorescent wheel emits polarized light including P-state and S-state light incident within a phi angle range, and the polarized light will be emitted at an output when phi reaches a certain angle, so as to be blocked and projected on the PBS42, while the part of the fluorescent light incident within the phi angle range is emitted to the PBS42 through the gap of the barrier 41, the PBS42 is a polarization beam splitter prism capable of transmitting the P-state polarized light and reflecting the S-state polarized light, so that the P-state polarized light transmitted from the PBS42 is directly incident to the 1/2 wave plate 43 in the same optical path as the PBS42, and the S-state polarized light reflected by the PBS42 is emitted from the gap of the PBS array 1/2 wave plate 43 and then emitted to the LCD50, 1/2 wave plate 43, also called half-wave plate, which is a birefringent crystal with a certain thickness, and is generally made of mica plate, primarily for changing the P-state polarized light transmitted from the PBS42 to circularly polarized light and converting to S-state polarized light that is more readily received by the LCD panel 50.
Referring to fig. 4, in the present embodiment, the polarization conversion unit 40 includes a barrier 41, a PBS42, and a 1/2 wave plate 43 sequentially disposed along an optical path, the laser-excited fluorescent wheel emits polarized light including P-state and S-state incident within a phi angle range, the polarized light passes through a gap of the barrier 41 and enters the PBS42, the PBS42 transmits the P-state polarized light, reflects the S-state polarized light, the reflected S-state polarized light is reflected by the PBS42 again and enters the 1/2 wave plate 43, the reflected S-state polarized light is converted into P-state polarized light by refraction of the 1/2 wave plate 43, and the P-state polarized light, which transmits the PBS42 and is transmitted through a gap between the 1/2 wave plates 43, enters the LCD panel 50.
Further, referring to fig. 1, the light detection system further includes a first condensing lens 70, where the first condensing lens 70 is disposed on an optical path between the polarization conversion unit 40 and the LCD panel 50, collects S-state polarized light output by the polarization conversion unit 40, and emits the S-state polarized light into the LCD panel 50.
In the light detection system of the present embodiment, a first condensing lens 70 is further disposed on the light path between the polarization conversion unit 40 and the LCD panel 50, and the first condensing lens 70 is mainly used for collecting and condensing the S-state polarized light output from the polarization conversion unit 40, so that the S-state polarized light output from the polarization conversion unit 40 is incident on the LCD panel 50 as much as possible, thereby ensuring that a more accurate emergent light amount is obtained, and further improving the data accuracy of the light detection system.
Further, referring to fig. 1, the light detection system further includes a second diaphragm 80, where the second diaphragm 80 is disposed on the light path between the first condenser lens 70 and the LCD panel 50, and adjusts the angle and intensity of the S-state polarized light incident on the LCD panel 50.
The light detection system of this embodiment still is provided with second diaphragm 80 on the light path between first condensing lens 70 and the LCD board 50, and second diaphragm 80 can be according to the size of LCD board and its aperture of light transmission of automatically regulated, and then adjust and incide to the angle and the power of the S state polarized light of LCD board 50, the light detection system of this embodiment can simulate the ray apparatus of different models according to the LCD board 50 of difference, and then detect different emergent light volume, and second diaphragm 80 can be according to the light volume of LCD board 50 of big or small automatically regulated incidence to LCD board 50, and then more accurately match the efficiency of ray apparatus.
Further, referring to fig. 1 and 3, the light detecting system further includes a second condenser lens 90, where the second condenser lens 90 is disposed on the optical path between the first condenser lens 70 and the second diaphragm 80, and focuses the S-state polarized light to enter the LCD panel 50.
This exampleAccording to the focal length f 'of the lens group composed of the second fly-eye lens array and the first condenser lens 70'BThe second condenser lens 90 may be disposed on the light path between the first condenser lens 70 and the second diaphragm 80, to further focus the S-state polarized light, collect the large light spots emitted from the light uniformizing unit 30 and the polarization conversion unit 40 into the required small light spots, and further enter the LCD panel 50 through the second diaphragm 80, which is automatically adjustable, so as to reduce the light quantity loss of the light beam and improve the data accuracy of the light detection system.
Further, referring to fig. 1 and 3, the light uniformizing unit 30 includes a first fly-eye lens array facing the light source 10 and a second fly-eye lens array facing away from the light source 10, and a light flux passing through the first fly-eye lens array is focused on the second fly-eye lens array with a focal length of f'AThen, thenWherein A is the diameter of the light beam, W is the width of the LCD panel, f'BWhich is the focal length of the lens group consisting of the second fly-eye lens array and the first condenser lens 70.
In the light detecting system of this embodiment, the dodging unit 30 includes a first fly-eye lens array facing the light source 10 and a second fly-eye lens array facing away from the light source 10, the light source 10 intercepts the wide-angle light generated by the light source 10 through a first diaphragm 20 capable of automatically adjusting the aperture of the light transmission aperture, the rest of the light beam enters the first fly-eye lens array, is refracted by the first fly-eye lens array and enters the second fly-eye lens array, and if the light beam passing through the first fly-eye lens array is focused on the second fly-eye lens array, the focal length is f'AThen, thenWherein A is the diameter of the light beam, W is the width or length of the LCD panel, f'BThe focal length of the lens group formed by the second fly-eye lens array and the first condenser lens 70, it can be seen from the above formula that if the diameter of the light beam is too large, a part of the light beam will not enter the first fly-eye lensAn array of mirrors.
Further, with reference to FIG. 3,where phi is the maximum deflection angle at which a light beam can enter the polarization conversion unit 40; the value of F/# is 1.6-2.4.
In the photodetection system of the present embodiment, F is the focal length F 'of the lens group composed of the second fly-eye lens array and the first condenser lens 70'BAnd the maximum deflection angle phi at which the light beam can enter the polarization conversion unit, i.e.Due to the fact thatThenF/# is a term of art, i.e., the inverse of F-number, F-number or relative aperture,f is the focal length of the first condenser lens 70, d is the diameter of the first condenser lens 70, and in the art, there is a certain selection corresponding relationship between W and F/# that is, according to the size of the LCD panel 50, the value range of F/# can be determined, and generally, the value of F/# is 1.6-2.4, so when determining the selected optimal F number, the maximum deflection angle phi at which the light beam can enter the polarization conversion unit can be determined, and if the angle of the light emitted from the second fly-eye lens array is greater than the value phi, the light beam can be blocked by the barrier 41 in the polarization conversion unit 40.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of the light source detecting device of the present invention, in which the light source detecting device 100 includes the light detecting system as described above.
The light detection system of the light source detection device 100 of the present embodiment includes a light source 10, a first diaphragm 20, a dodging unit 30, a polarization conversion unit 40, an LCD panel 50, a detection unit 60, a first condenser lens 70, a second diaphragm 80, and a second condenser lens 90, which are sequentially disposed along a light path, wherein the light source 10 generates a light beam, and blocks off unwanted light through the first diaphragm 20, useful light enters the polarization conversion unit 40 after being dodged through the dodging unit 30, and outputs desired S-state polarized light or P-state polarized light, and further blocks off unwanted stray light through the second diaphragm 80, and then transmits through the LCD panel 50 and enters the detection unit 60, so that the light quantity of light transmitted by the LCD panel can be accurately detected, and the efficiency of the optical machine can be more accurately matched according to the detection value of the transmitted light by the LCD panel. The utility model discloses a light detection system has solved the inaccurate, the unsafe technical problem of ray apparatus efficiency of luminance of the LCD transmission light that current light detection system detected, has reduced the light inspection technology, has improved detection efficiency greatly.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (9)
1. A light detection system is characterized by comprising a light source, a first diaphragm, a light homogenizing unit, a polarization conversion unit, an LCD (liquid crystal display) plate and a detection unit which are sequentially arranged along a light path; wherein,
a light source generating a light beam;
the first diaphragm is used for adjusting the angle and the intensity of the light beam;
the dodging unit is used for dodging the light beam penetrating through the first diaphragm;
the polarization conversion unit outputs the light beams transmitted through the dodging unit into S-state polarized light or P-state polarized light;
the LCD panel receives the S-state polarized light or the P-state polarized light output by the polarization conversion unit;
and a detection unit for detecting the brightness of the light transmitted by the LCD panel.
2. A light detection system as claimed in claim 1, wherein the polarization conversion unit comprises a barrier, a PBS, and an 1/2 wave plate disposed in this order along the optical path; wherein,
a barrier filtering part of the light beam output from the dodging unit;
the PBS transmits P-state polarized light and reflects S-state polarized light;
1/2 wave plate, converts the P-state polarized light transmitted from the PBS into S-state polarized light.
3. A light detecting system according to claim 1, further comprising a first condenser lens disposed in an optical path between said polarization conversion unit and said LCD panel, for collecting S-state polarized light outputted from said polarization conversion unit to be incident on said LCD panel.
4. A light detecting system according to claim 3, further comprising a second aperture disposed in an optical path between said first condenser lens and said LCD panel for adjusting an angle and intensity of S-polarized light incident on said LCD panel.
5. A light detecting system according to claim 4, further comprising a second condenser lens disposed in an optical path between said first condenser lens and said second aperture, for focusing the S-state polarized light to be incident on said LCD panel.
6. A light detecting system according to claim 5, wherein said light unifying unit comprises a first fly-eye lens array facing the light source and a second fly-eye lens array facing away from the light sourceA second fly-eye lens array having a focal length f 'at which the light flux passing through the first fly-eye lens array is focused'AThen, thenWherein A is the diameter of the light beam, W is the width of the LCD panel, f'BThe focal length of the lens group formed by the second fly-eye lens array and the first condenser lens, or the focal length of the lens group formed by the second fly-eye lens array, the first condenser lens and the second condenser lens.
7. A light detection system as defined in claim 6,phi is the maximum deflection angle at which the light beam can enter the polarization conversion unit; the value of F/# is 1.6-2.4.
8. A light detection system as claimed in claim 1, wherein the light source is a laser, LED or light bulb.
9. A light detection arrangement, characterized in that the light detection arrangement comprises a light detection system as claimed in any one of claims 1 to 8.
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| CN201621067542.1U CN206095585U (en) | 2016-09-20 | 2016-09-20 | Light detecting system and light detection device |
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| CN201621067542.1U CN206095585U (en) | 2016-09-20 | 2016-09-20 | Light detecting system and light detection device |
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| CN107843412A (en) * | 2016-09-20 | 2018-03-27 | 深圳市光峰光电技术有限公司 | Optical detection system and optical detection device |
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| WO2019075940A1 (en) * | 2017-10-19 | 2019-04-25 | 深圳光峰科技股份有限公司 | Light source spot detection method and detection device |
| WO2019148699A1 (en) * | 2018-02-02 | 2019-08-08 | 深圳光峰科技股份有限公司 | Light source device and optical lens test system |
| CN110928121A (en) * | 2018-09-20 | 2020-03-27 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
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2016
- 2016-09-20 CN CN201621067542.1U patent/CN206095585U/en not_active Withdrawn - After Issue
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| CN107843412A (en) * | 2016-09-20 | 2018-03-27 | 深圳市光峰光电技术有限公司 | Optical detection system and optical detection device |
| WO2018054090A1 (en) * | 2016-09-20 | 2018-03-29 | 深圳市光峰光电技术有限公司 | Light detection system and light detection device |
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| CN108957924A (en) * | 2017-05-24 | 2018-12-07 | 深圳市光峰光电技术有限公司 | Laser illuminator set and the optical projection system for using the equipment |
| CN108957924B (en) * | 2017-05-24 | 2021-07-23 | 深圳光峰科技股份有限公司 | Laser lighting device and projection system using the same |
| US11307487B2 (en) | 2017-05-24 | 2022-04-19 | Appotronics Corporation Limited | Laser illumination device and projection system using the same |
| WO2019075940A1 (en) * | 2017-10-19 | 2019-04-25 | 深圳光峰科技股份有限公司 | Light source spot detection method and detection device |
| WO2019148699A1 (en) * | 2018-02-02 | 2019-08-08 | 深圳光峰科技股份有限公司 | Light source device and optical lens test system |
| CN110928121A (en) * | 2018-09-20 | 2020-03-27 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
| CN110928121B (en) * | 2018-09-20 | 2022-03-25 | 深圳光峰科技股份有限公司 | Light source system and projection equipment |
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