CN107462404B - Device for testing reflection/diffuse reflection and ambient light contrast of flat panel display - Google Patents
Device for testing reflection/diffuse reflection and ambient light contrast of flat panel display Download PDFInfo
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- CN107462404B CN107462404B CN201710866023.4A CN201710866023A CN107462404B CN 107462404 B CN107462404 B CN 107462404B CN 201710866023 A CN201710866023 A CN 201710866023A CN 107462404 B CN107462404 B CN 107462404B
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- guide rail
- flat panel
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000007306 turnover Effects 0.000 claims description 19
- 229910052724 xenon Inorganic materials 0.000 claims description 15
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 14
- 230000002441 reversible effect Effects 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 241000669069 Chrysomphalus aonidum Species 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
Abstract
The invention provides a device for testing the reflection/diffuse reflection and the contrast of ambient light of a flat panel display, which can solve the problem that the test result is not comprehensive because the test angle of the conventional test device is relatively fixed or the angle adjustable range is limited. The angle adjusting mechanism comprises a V-shaped circular ring guide rail and two sliding tables, wherein the V-shaped circular ring guide rail is fixedly arranged on the testing platform, an optical fiber collimating mirror with a light source and an optical tester are respectively arranged on the two sliding tables, four corner ends of the bottom of the sliding table are respectively provided with a rotatable V-shaped roller and four V-shaped rollers which are matched with V-shaped guide parts of the V-shaped circular ring guide rail, a rotary driving motor is arranged in the sliding table, a driving gear is arranged at the bottom of the sliding table, an output shaft of the rotary driving motor downwards penetrates through a bottom plate of the sliding table, the driving gear is arranged at the bottom extending end of the output shaft of the rotary driving motor, and a gear ring is arranged at the inner periphery of the bottom of the V-shaped guide part of the V-shaped circular ring guide rail and is in meshed connection with the gear ring.
Description
Technical Field
The invention relates to the field of flat panel display processing and testing, in particular to a device for testing the reflection/diffuse reflection and ambient light contrast of a flat panel display.
Background
As society has entered the screen age, the readability of a display screen is directly related to the use experience of a user, and display manufacturers need to analyze and improve the readability of the screen under various color temperature and illumination conditions such as indoor, outdoor, noon, dusk and the like, so as to improve the use experience of the user. In the flat panel display reflection/diffuse reflection and ambient light contrast test, detection needs to be carried out from different angles to obtain a comprehensive detection result, but the conventional test device has the defects that the optical tester of the conventional test device has multiple angle-fixed or angle-adjustable ranges, and a test blind area often appears to cause incomplete test results, so that the overall test requirement of the flat panel display cannot be met.
Disclosure of Invention
In view of the above problems, the present invention provides a device for testing the contrast of a flat panel display by reflection/diffuse reflection and ambient light, which can solve the problem that the existing testing device has incomplete testing results due to the relatively fixed testing angle or limited angle adjustable range.
The technical scheme is that the flat panel display reflection/diffuse reflection and ambient light contrast testing device comprises an industrial personal computer, a display, a cabinet, an optical fiber collimating lens with a light source, an optical tester, a xenon lamp and an integrating sphere, wherein the industrial personal computer is installed in the cabinet, a control panel is installed on the cabinet, the display, the control panel and the industrial personal computer are electrically controlled and connected, the optical fiber collimating lens with the light source and the optical tester are respectively connected with an industrial personal computer control signal, and a product to be tested is installed on a testing platform in the cabinet through a clamp mechanism, and the device is characterized in that: the angle adjusting mechanism comprises a V-shaped circular ring guide rail and two sliding tables, the V-shaped circular ring guide rail is fixedly arranged on the testing platform, the optical fiber collimating mirror with a light source and the optical tester are respectively arranged on the top platform of the two sliding tables, each of the four corner ends of the bottom of the sliding table is respectively provided with a rotatable V-shaped roller and four V-shaped guide parts of the V-shaped circular ring guide rail, each sliding table is internally provided with a rotary driving motor, the bottom of the sliding table is provided with a driving gear, an output shaft of the rotary driving motor downwards penetrates through the bottom plate of the sliding table, the driving gear is arranged at the bottom extending end of the output shaft of the rotary driving motor, and the inner periphery of the bottom of the V-shaped guide part of the V-shaped circular ring guide rail is provided with a gear ring, and the driving gear is in meshed connection with the gear ring gear.
Furthermore, the inner peripheral side of the V-shaped circular guide rail on the test platform is provided with circular graduated scales concentric with the V-shaped circular guide rail, the inner side surfaces of the two sliding tables are provided with graduated pointers, and the graduated pointers can point to the graduated surfaces of the circular graduated scales.
Further, the fixture mechanism comprises a mounting plate, a screw transmission assembly and two carrier plates, clamping blocks are symmetrically arranged on opposite surfaces of the two carrier plates, the screw transmission assembly is vertically arranged on the mounting plate and a screw of the screw transmission assembly is a forward and backward screw, forward and backward screw threads sections are respectively in threaded connection with a forward screw nut and a backward screw nut, two guide rails are symmetrically arranged at two side ends of the mounting plate and are parallel to the forward and backward screw rods, two ends of the carrier plates are respectively and slidably arranged on the guide rails through sliding blocks, the two carrier plates are respectively connected with the forward screw nut and the backward screw nut through nut seats, and a hand wheel is arranged at the top of the forward and backward screw rods.
Further, the clamp mechanism is mounted on the test platform through a reversible support and is located at the center of the inner circle of the circular graduated scale.
Further, the reversible support comprises a supporting bottom plate and a turnover plate, wherein the supporting bottom plate is installed on the test platform and located at the center of the inner circle of the circular graduated scale, the bottom of the turnover plate is rotatably connected with the supporting bottom plate through a hinge, and the mounting plate of the clamp mechanism is fixedly installed on the turnover plate.
Further, the reversible support is mounted on the test platform through a linear translation mechanism, the linear translation mechanism is a horizontal screw rod transmission mechanism, a screw rod of the horizontal screw rod transmission mechanism is arranged on the test platform and located at the center of the inner circle of the circular graduated scale, horizontal guide rails parallel to each other are respectively arranged on two sides of the screw rod of the horizontal screw rod transmission mechanism, and two ends of the bottom of a supporting bottom plate of the reversible support are respectively mounted on the horizontal guide rails in a sliding mode through supporting sliding blocks and are connected with the screw rod of the horizontal screw rod transmission mechanism.
Further, a vertical lifting mechanism is arranged at the center of the top frame of the cabinet, the xenon lamp is arranged on the vertical lifting mechanism, a connecting platform plate is arranged on a lamp bracket of the xenon lamp, and the integrating sphere is arranged on the connecting platform plate.
The invention has the beneficial effects that: the angle adjusting mechanism is used for realizing any angle adjustment of the optical tester and the optical collimating lens, and particularly, the optical tester and the optical collimating lens are respectively arranged on a sliding table, the bottom of the sliding table is meshed and connected with an inner circular gear arranged at the lower side of a V-shaped guide part of a V-shaped circular guide rail through a driving gear connected with the output end of a rotary driving motor, and the circular motion of the sliding table is realized through the matching rolling of a V-shaped roller and the V-shaped circular guide rail arranged on a testing platform, so that the angles of the optical tester and the optical collimating lens relative to a product to be tested can be randomly adjusted according to testing requirements, and the comprehensive requirements of testing are met; the inner peripheral side of the V-shaped circular guide rail is provided with the circular graduated scale, and the inner side surface of each sliding block is provided with the graduated pointer, so that the rotating angle of the sliding table, namely the angle adjusted by the optical tester or the optical collimating mirror on the sliding table, can be intuitively detected, and the accuracy of angle adjustment is improved.
Drawings
FIG. 1 is a schematic perspective view of a first view direction of a flat panel display reflection/diffuse reflection and ambient light contrast testing device according to the present invention;
FIG. 2 is a schematic perspective view of a second view of the device for contrast testing of flat panel display of the present invention;
FIG. 3 is a schematic perspective view of a fixture device of the flat panel display reflection/diffusion reflection and ambient light contrast testing device of the present invention.
Reference numerals: the device comprises a 10-industrial personal computer, a 20-display, a 30-cabinet, a 31-test platform, a 40-optical fiber collimator with a light source, a 50-optical tester, a 60-xenon lamp, a 61-connection platform plate, a 70-integrating sphere, an 80-control panel, a 91-V-shaped circular guide rail, a 92 a-sliding table, a 92 b-sliding table, a 93-V-shaped roller, a 94-rotary driving motor, a 95-driving gear, a 96-gear ring, a 97-circular graduated scale, a 98-graduated pointer, a 99-wire groove, a 100-clamp mechanism, a 101-mounting plate, a 102-forward and backward rotating screw rod, a 103-mounting plate, a 104-clamp block, a 105-guide rail, a 106-slider, a 107-hand wheel, a 108-reversible support, a 1081-support base plate, a 1082-turnover plate, a 1083-hinge, a 1084-support slider, a 109-horizontal screw transmission mechanism, a 1091-screw rod, a 1092-horizontal guide rail, a 200-product to be tested and a 300-vertical lifting mechanism.
Detailed Description
Referring to fig. 1 and 2, the flat panel display reflection/diffuse reflection and ambient light contrast testing device of the present invention comprises an industrial personal computer 10, a display 20, a cabinet 30, an optical fiber collimator 40 with a light source, an optical tester 50, a xenon lamp 60 and an integrating sphere 70, wherein the industrial personal computer 10 is installed in the cabinet 30, a control panel 80 is installed on the cabinet 30, the display 20, the control panel 80 are electrically connected with the industrial personal computer 10, the optical fiber collimator 40 with the light source and the optical tester 50 are respectively connected with an electrical control signal of the industrial personal computer 10, and a product 200 to be tested is installed on a testing platform 31 in the cabinet 10 through a fixture mechanism 100; the angle adjusting mechanism is arranged on the test platform 31 and comprises a V-shaped circular ring guide rail 91 and two sliding tables 92a and 92b, the V-shaped circular ring guide rail 91 is fixedly arranged on the test platform 31, the optical fiber collimating mirror 40 with a light source is arranged on the top platform of the sliding table 92a and the top platform of the sliding table 92b of the optical tester 50, the rotatable V-shaped roller 93 is respectively arranged at four corner ends of the bottoms of the two sliding tables 92a and 92b and is matched with the V-shaped guide part of the V-shaped circular ring guide rail 91, the rotary driving motor 94 is respectively arranged in the sliding tables 92a and 92b, the driving gears 95 are respectively arranged at the bottoms of the sliding tables 92a and 92b, the output shafts of the rotary driving motors 94 downwards penetrate through the bottom plates of the corresponding sliding tables, the driving gears 95 are arranged on the bottom extending ends of the output shafts of the rotary driving motors 94, the inner circumferences of the bottoms of the V-shaped guide parts of the V-shaped circular ring guide rail 91 are provided with gear rings 96, and the driving gears 95 are in meshed connection with the gear rings 96. The rotary driving motors 94 in the two sliding tables 92a and 92b act to drive the driving gears 95 at the bottoms of the sliding tables to rotate, and the driving gears 95 are meshed with the inner gear rings of the V-shaped circular ring guide rail 91, so that the V-shaped rollers 93 at the bottoms of the sliding tables 92a and 92b are driven to do circumferential movement along the V-shaped circular ring guide rail 91, and angle adjustment is achieved; a circular scale 97 concentric with the V-shaped circular guide rail 91 is mounted on the inner peripheral side of the V-shaped circular guide rail 91 on the test platform 31, scale pointers 98 are provided on the inner side surfaces of the two sliding tables 92a, 92b, and the scale pointers 98 can point to scale surfaces of the circular scale 97. A wire groove 99 is provided on the test platform radially outside the V-shaped circular arc rail 91.
Referring to fig. 3, the fixture mechanism 100 includes a mounting plate 101, a screw transmission assembly and two carrier plates 103, clamping blocks 104 are symmetrically mounted on opposite surfaces of the two carrier plates 103, the screw transmission assembly is vertically arranged on the mounting plate 101, a screw of the screw transmission assembly is a forward and backward screw 102, a forward screw thread section and a backward screw thread section of the forward and backward screw 102 are respectively connected with a forward screw nut and a backward screw nut in a threaded manner, two guide rails 105 are symmetrically mounted at two side ends of the mounting plate 101, the two guide rails 105 are parallel to the forward and backward screw 102, two ends of the two carrier plates 103 are respectively slidably mounted on the guide rails 105 through sliding blocks 106, the two carrier plates 103 are respectively connected with the forward screw nut and the backward screw nut through nut seats, and a hand wheel 107 is mounted at the top of the forward and backward screw 102; when the product 200 to be tested is clamped or unloaded, the hand wheel 107 is rotated to drive the forward and reverse screw rod 102 to rotate, so that the forward and reverse screw rod nuts on the forward and reverse screw rod 102 are driven to rotate, and then the two carrier plates 103 are driven to linearly move in the same direction or back along the guide rail 105, and clamping and loosening of the product 200 to be tested by the clamping blocks on the two carrier plates 103 are realized.
Referring to fig. 1, the fixture mechanism 100 is mounted on the test platform 31 through a reversible mount 108 and is positioned at the center of the inner circle of the circular scale 97; the reversible support comprises a supporting bottom plate 1081 and a turnover plate 1082, wherein the supporting bottom plate 1081 is arranged on the test platform 31 and positioned at the center of the inner circle of the circular graduated scale 97, the bottom of the turnover plate 1082 is rotatably connected with the supporting bottom plate 1081 through a hinge 1083, and the mounting plate 101 of the clamp mechanism 100 is fixedly arranged on the turnover plate 1082; when the product 200 to be tested is clamped, the turnover plate 1082 is rotated to be horizontal, at the moment, the mounting plate 101 of the clamp device is also in a horizontal state, then the product 200 to be tested is clamped in the clamp mechanism 100, and then the turnover plate 1082 is turned to be vertical to the supporting bottom plate 1081, namely, the clamping is completed; the fixture mechanism is fixed on the turnover plate 1082, and the turnover plate 1082 is connected with the supporting bottom plate 1081 through the hinge, so that the clamping and unloading of the product 200 to be tested can be facilitated, and the problem that the product 200 to be tested is difficult to reliably clamp due to the position interference of other devices in the cabinet during the clamping or unloading process is avoided.
The reversible support 108 is also arranged on the test platform 31 through a linear translation mechanism, the linear translation mechanism is a horizontal screw rod transmission mechanism 109, a screw rod 1091 of the horizontal screw rod transmission mechanism 109 is arranged on the test platform 31 and positioned at the center of the inner circle of the circular graduated scale 97, two sides of the screw rod 1091 of the horizontal screw rod transmission mechanism 109 are respectively provided with horizontal guide rails 1092 which are parallel to each other, and two ends of the bottom of a supporting bottom plate 1081 of the reversible support 108 are respectively arranged on the horizontal guide rails 1092 in a sliding manner through supporting sliding blocks 1084 and are in transmission connection with the screw rod 1091 of the horizontal screw rod transmission mechanism 109; through horizontal lead screw drive mechanism 109, can overturn support 108 and install the fixture mechanism 100 on can overturn support 108 and can do holistic rectilinear translation to whole can overturn support when needing clamping or uninstallation to wait to test product 200 can remove to the test platform 31 that is close to the rack and be close to the position of import and export, the clamping and the uninstallation of the product of waiting to test of being convenient for more.
Referring to fig. 1 and 2, a vertical elevating mechanism 300 is installed at the center of a top frame of the cabinet 30, a xenon lamp 60 is installed on the vertical elevating mechanism 300, a connection platform plate 61 is installed on a lamp holder of the xenon lamp 60, and an integrating sphere 70 is installed on the connection platform plate 61; the vertical lifting mechanism 300 can drive the xenon lamp 60 and the integrating sphere 70 to perform vertical lifting motion, when the product 200 to be tested is clamped or unloaded, the vertical lifting mechanism 300 can drive the xenon lamp 60 and the integrating sphere 70 to ascend so as to facilitate the clamping or unloading of the product 200 to be tested, when the product 200 to be tested is not tested, the xenon lamp 60 and the integrating sphere 70 can also ascend and be stored, and when the product 200 to be tested is clamped, the vertical lifting mechanism 300 is started to act so as to drive the xenon lamp 60 and the integrating sphere 70 to synchronously move down to the testing position.
When the invention is adopted to perform the contrast test of the ambient light of the flat panel display, the cabinet door of the front cabinet 30 is opened, the turnover plate 1082 of the turnover support 108 is turned over to enable the clamp mechanism 100 to be placed in a horizontal state, the product 200 to be tested is placed and clamped on the clamp mechanism 100, then the turnover plate 1082 is pushed upwards to enable the clamp mechanism 100 clamping the product 200 to be tested to stand to an inner limit position, the product 200 to be tested is aligned to the light outlet of the integrating sphere, and the industrial personal computer 10 controls the two sliding tables 92a and 92b to respectively drive the optical fiber collimating mirror 40 with a light source and the optical tester 50 to rotate along the V-shaped circular guide rail (the rotation angle resolution is 0.1 degree) to finish the measurement of the ambient light contrast (ACR) of the product.
Under the condition that an integrating sphere is not needed, the integrating sphere 70 and the xenon lamp 60 are driven by the vertical lifting mechanism 300 to rise to the upper part which does not influence the measurement of products; the optical fiber collimator 92a with the light source is controlled by the industrial personal computer 10 to rotate to an incident angle (such as 15 degrees) set by a user under the drive of the sliding table 92a, the light source is turned on, the optical tester is driven to rotate to the position of the other side under the drive of the sliding table 92b, brightness measurement is carried out from-16 degrees to-14 degrees at intervals of 0.1 degree (all the angles are freely set by the user), and an angle-brightness curve is drawn; the measured data are compared with the measured standard mirror surface low reflection plate data under the same condition, and the ratio of the peak brightness of the measured data and the measured standard mirror surface low reflection plate data is the ratio of the mirror surface reflectivity of the measured data and the measured standard mirror surface low reflection plate data, so that the mirror surface reflectivity of a sample to be measured is obtained.
Claims (7)
1. The utility model provides a flat panel display reflection/diffuse reflection and ambient light contrast testing arrangement, it includes industrial computer (10), display (20), rack (30), take optic fibre collimating mirror (40) of light source, optical tester (50), xenon lamp (60) and integrating sphere (70), industrial computer (10) install in rack (30), install control panel (80) on rack (30), display (20), control panel (80) with all automatically controlled being connected of industrial computer (10), take optic fibre collimating mirror (40) of light source and optical tester (50) respectively with industrial computer (10) electric control signal connection, test product (200) are installed in through fixture mechanism (100) on test platform (31) in rack (30), its characterized in that: install angle adjustment mechanism on test platform (31), angle adjustment mechanism includes V-arrangement ring guide rail (91) and two slip tables (92 a, 92 b), V-arrangement ring guide rail (91) with center of test platform (31) is the centre of a circle and adorn admittedly in on test platform (31), optical fiber collimator (40) of taking the light source, optical tester (50) install respectively in two on the top platform of slip tables (92 a, 92 b), two four angle ends of slip tables (92 a, 92 b) bottom install rotatable V-arrangement gyro wheel (93) respectively and four V-arrangement gyro wheel (93) with V-arrangement guiding portion cooperation of V-arrangement ring guide rail (91), two install rotary drive motor (94) in slip tables (92 a, 92 b), drive gear (95) are installed to slip tables (92 a, 92 b) bottom, the output shaft of rotary drive motor (94) runs through downwards slip tables (92 a, 92 b) bottom plate, drive motor (95) install respectively rotatable V-arrangement gyro wheel (93) with V-arrangement guiding portion cooperation ring guide rail (96), be equipped with rotary drive motor (95) and ring gear (95) are equipped with in the bottom of ring guide rail (96).
2. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to claim 1, wherein: the testing platform (31) is arranged on the inner peripheral side of the V-shaped circular guide rail (91), circular graduated scales (97) concentric with the V-shaped circular guide rail (91) are arranged on the inner peripheral sides of the testing platform, scale pointers (98) are arranged on the inner side surfaces of the two sliding tables (92 a, 92 b), and the scale pointers (98) can point to the scale surfaces of the circular graduated scales (97).
3. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to claim 1 or 2, wherein: the fixture mechanism (100) comprises a mounting plate (101), a screw transmission assembly and two carrier plates (103), clamping blocks (104) are symmetrically arranged on opposite surfaces of the two carrier plates (103), the screw transmission assembly is vertically arranged on the mounting plate (101) and a screw of the screw transmission assembly is a forward and backward rotation screw rod (102), a forward rotation screw thread section and a backward rotation screw thread section of the forward and backward rotation screw rod (102) are respectively connected with a forward rotation screw rod nut and a backward rotation screw rod nut in a threaded manner, two guide rails (105) are symmetrically arranged at two side ends of the mounting plate (101) and are parallel to the forward and backward rotation screw rod (102), two ends of the carrier plates (103) are respectively and slidably arranged on the guide rails (105) through sliding blocks (106), and the two carrier plates (103) are respectively connected with the forward rotation screw rod nut and the backward rotation screw rod nut through nut seats, and a hand wheel (107) is arranged at the top of the forward and backward rotation screw rod (102).
4. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to claim 3, wherein: the clamp mechanism (100) is mounted on the test platform (31) through a reversible support (108) and is positioned at the center of the inner circle of the circular graduated scale (97).
5. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to claim 4, wherein: the turnover support (108) comprises a supporting bottom plate (1081) and a turnover plate (1082), wherein the supporting bottom plate (1081) is installed on the test platform (31) and located at the center of the inner circle of the circular graduated scale (97), the bottom of the turnover plate (1082) is rotatably connected with the supporting bottom plate (1081) through a hinge (1083), and the installation plate (101) of the clamp mechanism (100) is fixedly installed on the turnover plate (1082).
6. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to claim 5, wherein: the turnover support (108) is mounted on the test platform (31) through a linear translation mechanism, the linear translation mechanism is a horizontal screw rod transmission mechanism (109), a screw rod (1091) of the horizontal screw rod transmission mechanism (109) is arranged on the test platform (31) and located at the center of the inner circle of the circular graduated scale (97), horizontal guide rails (1092) parallel to each other are respectively arranged on two sides of the screw rod (1091) of the horizontal screw rod transmission mechanism (109), and two ends of the bottom of a supporting bottom plate (1081) of the turnover support (108) are respectively mounted on the horizontal guide rails (1092) in a sliding mode through supporting sliding blocks (1084) and are in transmission connection with the screw rods (1091) of the horizontal screw rod transmission mechanism.
7. The flat panel display reflection/diffusion reflection and ambient light contrast test apparatus according to any one of claims 1, 2 or 4 to 6, wherein: the center of the top frame of the cabinet (30) is provided with a vertical lifting mechanism (300), the xenon lamp (60) is arranged on the vertical lifting mechanism (300), the lamp bracket of the xenon lamp (60) is provided with a connecting platform plate (61), and the integrating sphere (70) is arranged on the connecting platform plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866023.4A CN107462404B (en) | 2017-09-22 | 2017-09-22 | Device for testing reflection/diffuse reflection and ambient light contrast of flat panel display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866023.4A CN107462404B (en) | 2017-09-22 | 2017-09-22 | Device for testing reflection/diffuse reflection and ambient light contrast of flat panel display |
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| CN107462404A CN107462404A (en) | 2017-12-12 |
| CN107462404B true CN107462404B (en) | 2023-11-24 |
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| CN201710866023.4A Active CN107462404B (en) | 2017-09-22 | 2017-09-22 | Device for testing reflection/diffuse reflection and ambient light contrast of flat panel display |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739034A (en) * | 2019-03-07 | 2019-05-10 | 苏州弗士达科学仪器有限公司 | Liquid crystal display high/low temperature and illumination automatic detection device |
| CN110514412A (en) * | 2019-10-12 | 2019-11-29 | 奥普镀膜技术（广州）有限公司 | Optical filter reflection measurement and turn-over mechanism |
| CN111537194B (en) * | 2020-04-26 | 2022-03-01 | 深圳市晟君安科技有限公司 | Display screen testing tool and display screen testing method |
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| GB719463A (en) * | 1951-03-27 | 1954-12-01 | Optical Measuring Tools Ltd | Improvements in or relating to optical projection apparatus |
| CN203981380U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | The optical characteristic test device of a kind of OLED |
| CN203981379U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | A kind of optical characteristic test board of flat-panel monitor |
| CN207456743U (en) * | 2017-09-22 | 2018-06-05 | 颜斐 | A kind of flat-panel monitor reflection/diffusing reflection and environment optical contrast ratio test device |
-
2017
- 2017-09-22 CN CN201710866023.4A patent/CN107462404B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB719463A (en) * | 1951-03-27 | 1954-12-01 | Optical Measuring Tools Ltd | Improvements in or relating to optical projection apparatus |
| CN203981380U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | The optical characteristic test device of a kind of OLED |
| CN203981379U (en) * | 2014-07-30 | 2014-12-03 | 苏州弗士达科学仪器有限公司 | A kind of optical characteristic test board of flat-panel monitor |
| CN207456743U (en) * | 2017-09-22 | 2018-06-05 | 颜斐 | A kind of flat-panel monitor reflection/diffusing reflection and environment optical contrast ratio test device |
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| CN107462404A (en) | 2017-12-12 |
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