CN115692235A - Colorimeter is used in production of TFT module - Google Patents

Abstract

The invention discloses a colorimeter for producing a TFT module, which comprises a light inlet device, wherein the light inlet device comprises a lens barrel, a first lens, a light collecting plate, a second lens, a mounting tube and a lamp bead and is used for collecting light emitted by the TFT module; the first detection device comprises a motor, a polygonal wheel, a first gear, an optical filter, a mounting column, a first inductor, a sliding plate and a spring, and can detect light by an optical filtering method; the second detection device comprises a prism, a second gear, a first sliding rail, a second sensor, a crank and a connecting rod, and can detect light through an astigmatism method.

Description

Colorimeter is used in production of TFT module

Technical Field

The invention relates to the field of panel optical detection equipment, in particular to a colorimeter for producing a TFT module.

Background

The TFT module is a commonly used digital display technology product, and in order to guarantee that the product is qualified when the TFT module is produced, the TFT module needs to be detected through the colorimeter when producing, thereby judging whether the luminescence of the TFT module is qualified, the existing colorimeter detects light through the optical filter, and the accuracy of detection is guaranteed through switching the position of the optical filter and detecting for many times, but the switching detection for many times makes the time of detection overlong, so that the efficiency of detection is low.

The spectrum superposition filter sheet type imaging brightness and color meter comprises a shell and a driving assembly, wherein the shell is connected with a lens, the shell is rotatably connected with a rotary table, the rotary table is positioned in the shell, the driving assembly is used for driving the rotary table to rotate, more than two fixing holes are formed in the disc surface of the rotary table around the circle center, part of the fixing holes are provided with reflectors, a spectrometer is arranged in the shell and is connected with an optical fiber, images in the lens enter the optical fiber through the reflectors, part of the fixing holes are provided with optical filters, a camera is arranged in the shell, and the images in the lens enter the camera through the optical filters. The spectrum superposed filter type imaging brightness colorimeter provided by the invention integrates the functions of simultaneously testing the spectrum data and the brightness color of a panel on the same instrument, simplifies the original testing mode, improves the testing efficiency, and improves the detection precision aiming at the mode of combining a spectrometer and a camera, but the problems are not solved.

The invention can lead the second sensor which moves back and forth to quickly detect the lacking color in the light through the light scattering method, thereby accelerating the filtering detection efficiency of the first sensor.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a colorimeter for TFT module production, which can rapidly detect a missing color in light by using a light scattering method using a second sensor that reciprocates, thereby increasing the efficiency of filtering detection by a first sensor.

The invention provides a colorimeter for producing a TFT (thin film transistor) module, which comprises a shell, wherein a display screen is arranged on the shell, a partition plate is arranged in the shell, and an inclined spectroscope and a reflector are arranged on the partition plate; the first detection device is arranged at the front end in the shell and can detect light by a filtering method; the second detecting means provided at the rear end of the interior can detect light by an astigmatism method.

Further, go into optical device and include lens cone, first lens, collection board, second lens, installation pipe and lamp pearl, the lens cone is fixed in the casing front end, and the lens cone front end outside is fixed with the support ring that transparent material made, and the lens cone front end inboard is equipped with first lens, and collection board is fixed in the inboard middle part of lens cone, and the second lens is fixed in lens cone inboard rear end, and the lens cone middle part is located to the installation pipe, and the installation pipe is located between first lens and the collection board, and installation socle portion is equipped with the lamp pearl, and the lamp pearl is luminous through external power supply work.

Furthermore, the light collecting plate is funnel-shaped, a circular through hole is formed in the bottom of the light collecting plate, and reflecting layers are arranged on the inner side of the light collecting plate and the inner side of the middle of the lens cone.

Furthermore, the upper end of the installation pipe is inclined, and a third lens is arranged at the upper end of the installation pipe.

Furthermore, first detection device includes the motor, the multilateral wheel, first gear, the light filter, the erection column, first inductor, slide and spring, the motor is fixed in on the baffle, the erection column is fixed in the casing, the multilateral wheel is changeed the formula and is located on the erection column, multilateral wheel below is fixed with first gear, first gear and motor output shaft meshing, the multilateral takes turns to be located to a plurality of light filters, first inductor is fixed in on the erection column, first inductor corresponds with the direction of light, slide slidable mounting is on first inductor, be equipped with corresponding spout on the first inductor, be equipped with the spring between slide and the erection column.

Furthermore, four corners of the front end of the sliding plate are provided with convex plates, and the front ends of the convex plates are in a round angle shape.

Furthermore, disc-shaped light shading plates are arranged at the upper end and the lower end of the polygonal wheel, and the middle of the polygonal wheel is of a polygonal structure, so that a darkroom is formed in the polygonal wheel.

Further, the second detection device includes the prism, the second gear, first slide rail, the second inductor, crank and connecting rod, the prism is fixed in between baffle and the casing, the second gear is installed in the casing of rotation formula, second gear and first gear engagement, the crank is fixed in the below of second gear, first slide rail and second slide rail are fixed in between baffle and the casing, rotation formula is equipped with the pulley under the second inductor front end is last, second inductor rear end below is equipped with the slider, second inductor front end slidable mounting is on first slide rail, the second inductor rear end is installed in the second slide rail through the slider, the slider below is equipped with the spliced pole, the spliced pole passes through the connecting rod and connects the crank.

Furthermore, the first slide rail and the second slide rail are both concentric arcs corresponding to the positions of the triangular prisms.

Has the advantages that:

1. the lens cone is fixed in the casing front end, lens cone front end inboard is equipped with first lens, the board that gathers light is fixed in the inboard middle part of lens cone, the second lens is fixed in lens cone inboard rear end, lens cone middle part is located to the installation pipe, installation pipe upper end is equipped with the third lens, installation socle portion is equipped with the lamp pearl, guarantee the location to the TFT module and hug closely the TFT module through transparent support ring, can shine the TFT module through the lamp pearl on, thereby reflect the colour on the TFT module, thereby make the true colorimeter can detect the TFT module of different luminance, the colour that makes the TFT module can reflect into in the casing.

2. The erection column is fixed in the casing, the multilateral wheel rotates the formula and locates on the erection column, multilateral wheel below is fixed with first gear, first inductor is fixed in on the erection column, first inductor corresponds with the direction of light, slide slidable mounting is on first inductor, the multilateral takes turns to is located to a plurality of light filters, be equipped with corresponding spout on the first inductor, be equipped with the spring between slide and the erection column, slide front end four corners is equipped with the flange, the flange front end is the fillet shape, can filter light through the light filter of difference, thereby carry out the colour to the light and detect, thereby guarantee the accuracy that the colorimeter detected.

3. The prism is fixed in between baffle and the casing, the second gear rotation type is installed in the casing, second gear and first gear engagement, the crank is fixed in the below of second gear, first slide rail and second slide rail are fixed in between baffle and the casing, second inductor front end up-down rotation type is equipped with the pulley, second inductor rear end below is equipped with the slider, second inductor front end slidingtype is installed on first slide rail, second inductor rear end is installed in the second slide rail through the slider, the slider below is equipped with the spliced pole, the spliced pole passes through the connecting rod and connects the crank, can make light disperse through the prism, make the light of various colours in the light be fan-shaped separately, and drive the spliced pole through the connecting rod, thereby drive the second inductor and carry out reciprocating sliding on first slide rail and second slide rail, thereby make the reciprocal light that detects after dispersing through the prism of second inductor, thereby detect the colour of TFT module, and make the number of rotations that reduces first inductor through the short-term test of second inductor, thereby accelerate the detection efficiency of first inductor.

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view one of the present invention.

Fig. 3 is a cross-sectional view of the second embodiment of the present invention.

Fig. 4 is a cross-sectional view of the light incident device of the present invention.

Fig. 5 is a cross-sectional view of a light collector sheet of the present invention.

FIG. 6 is a cross-sectional view of a first detection device of the present invention.

Fig. 7 is an exploded view of a first detection device of the present invention.

Fig. 8 is a schematic view of the overall structure of the second detecting unit of the present invention.

Fig. 9 is an exploded view of a second detection device of the present invention.

Reference numerals: a housing 1; a display screen 2; a lens barrel 3; a support ring 4; a first lens 5; a light collecting plate 6; a second lens 7; a light-reflecting layer 8; a mounting tube 9; a lamp bead 10; a third lens 11; a partition plate 12; a spectroscope 13; a mirror 14; a triangular prism 15; a motor 16; a polygonal wheel 17; a first gear 18; an optical filter 19; a mounting post 20; a first inductor 21; a slide plate 22; a convex plate 23; a spring 24; a second gear 25; a first slide rail 26; a second slide rail 27; a second inductor 28; a pulley 29; a slider 30; a connecting column 31; a crank 32; a link 33.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, and in order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below, which are, of course, merely examples and are not intended to limit the present invention.

The colorimeter for producing the TFT module according to the embodiment of the present invention is described below with reference to the accompanying drawings, as shown in fig. 1 to 9, the colorimeter for producing the TFT module includes a housing 1, a display screen 2 is disposed on the housing 1, a partition plate 12 is disposed in the housing 1 to divide the interior of the housing 1 into two dark chambers, an inclined spectroscope 13 and a reflective mirror 14 are disposed on the partition plate 12, and the colorimeter for producing the TFT module further includes a light incident device disposed in front of the housing 1 for taking in light emitted from the TFT module; the first detection device is arranged at the front end in the shell 1 and can detect the light ray A by a filtering method; the second detection device arranged at the rear end of the inner part can detect the light ray A through an astigmatism method.

In a specific embodiment: the light ray a enters the housing 1 and is refracted and reflected by the inclined beam splitter 13, so that the light ray a is split into two light rays a, and the light ray a reflected by the beam splitter 13 is reflected again by the reflective mirror 14.

As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the colorimeter is used in the production of TFT module includes going into light device, it includes lens cone 3 to go into light device, first lens 5, light collecting plate 6, second lens 7, installation pipe 9 and lamp pearl 10, lens cone 3 is fixed in 1 front end of casing, the support ring 4 that transparent material made is fixed in the lens cone 3 front end outside, lens cone 3 front end inboard is equipped with first lens 5, light collecting plate 6 is fixed in the inboard middle part of lens cone 3, second lens 7 is fixed in the inboard rear end of lens cone 3, installation pipe 9 locates the middle part of lens cone 3, installation pipe 9 is located between first lens 5 and the light collecting plate 6, the upper end of installation pipe 9 is the slope form, installation pipe 9 upper end is equipped with third lens 11, installation pipe 9 bottom is equipped with lamp pearl 10, lamp pearl 10 is luminous through external power supply work, light collecting plate 6 is for leaking hopper-shaped, light collecting plate 6 bottom is equipped with circular through-hole, light collecting plate 6 inboard and lens cone 3 middle part inboard are equipped with reflector layer 8, reflector layer 8 can refract light a.

In a specific embodiment: paste tight TFT module through lens cone 3 during the use, guarantee the location and hug closely through transparent support ring 4, lamp pearl 10 is luminous through external power supply work, the installation pipe 9 through the upper end slope makes light A jet out to lens cone 3 front end, it reflects lens cone 3 to make dispersed light A reflect through the reflector layer 8 of the inboard middle part of lens cone 3, then make light A concentrate shine through first lens 5 and paste tightly on the TFT module, thereby reflect the colour on the TFT module, and make light A concentrate and get into lens cone 3 through first lens 5, then make light A form the light beam through the through-hole of light-collecting plate 6, then concentrate once more through second lens 7 and get into casing 1.

As shown in fig. 2, 3, 6 and 7, the colorimeter for TFT module production includes a first detecting device, the first detecting device includes a motor 16, a polygonal wheel 17, a first gear 18, an optical filter 19, a mounting post 20, a first sensor 21, a sliding plate 22 and a spring 24, the motor 16 is fixed on the partition board 12, the mounting post 20 is fixed in the housing 1, the polygonal wheel 17 is rotatably disposed on the mounting post 20, disc-shaped light-shielding plates are disposed at the upper and lower ends of the polygonal wheel 17, the middle of the polygonal wheel 17 is a polygon structure, a dark room is formed in the polygonal wheel 17, the first gear 18 is fixed below the polygonal wheel 17, the first gear 18 is engaged with an output shaft of the motor 16, the optical filters 19 are disposed on the polygonal wheel 17, the first sensor 21 is fixed on the mounting post 20, the first sensor 21 corresponds to the direction of the light ray a, the sliding plate 22 is slidably mounted on the first sensor 21, the first sensor 21 is provided with corresponding sliding grooves, the spring 24 is disposed between the sliding plate 22 and the mounting post 20, four corners of the sliding plate 22 are provided with convex plates 23, and the front ends of the convex plates are in the shape of a horn.

In a specific embodiment: the motor 16 works through an external power supply, so that the first gear 18 and the polygonal wheel 17 are driven to rotate, the polygonal wheel 17 pushes the sliding plate 22 in the rotating process, the spring 24 is compressed, the position of the optical filter 19 is replaced, the spring 24 is reset after the polygonal wheel 17 stops rotating, the sliding plate 22 pushes the polygonal wheel 17 through the convex plate 23 at the front end, so that one surface of the polygonal wheel 17 is perpendicular to the direction of the light ray A, the light ray A reflected by the inclined light splitter 13 is filtered through the optical filter 19, the filtered light ray A is detected through the first sensor 21, the optical filter 19 is replaced for multiple times, corresponding detection is performed for multiple times, and therefore the color of the TFT module is detected.

As shown in fig. 2, 3, 8 and 9, the colorimeter for TFT module production includes a second detecting device, the second detecting device includes a triangular prism 15, a second gear 25, a first slide rail 26, a second slide rail 27, a second sensor 28, a pulley 29, a slider 30, a connecting post 31, a crank 32 and a connecting rod 33, the triangular prism 15 is fixed between the partition plate 12 and the housing 1, the second gear 25 is rotatably installed in the housing 1, the second gear 25 is engaged with the first gear 18, the crank 32 is fixed below the second gear 25, the first slide rail 26 and the second slide rail 27 are fixed between the partition plate 12 and the housing 1, the first slide rail 26 and the second slide rail 27 are both concentric arcs corresponding to the position of the triangular prism 15, the pulley 29 is rotatably installed up and down at the front end of the second sensor 28, a slider 30 is installed below the rear end of the second sensor 28, the front end of the second sensor 28 is slidably installed on the first slide rail 26, the rear end of the second sensor 28 is installed on the second slide rail 27 through the slider 30, the slider 30 is installed below the connecting post 31, and the connecting rod 31 is connected to the connecting post 32 through the connecting rod 33.

In a specific embodiment: light A disperses through prism 15, make light A of various colours in the light A be fan-shaped separately, second gear 25 is through rotating with first gear 18 meshing, thereby drive crank 32 and rotate, and drive spliced pole 31 through connecting rod 33, thereby drive second inductor 28 and carry out reciprocating sliding on first slide rail 26 and second slide rail 27, thereby make the reciprocal light A who disperses through prism 15 of detection of second inductor 28, thereby detect the colour of TFT module.

The working principle is as follows: when the LED lamp is used, the LED lamp is tightly attached to the TFT module through the lens barrel 3, the positioning and the tight attachment are ensured through the transparent support ring 4, the lamp beads 10 emit light through the work of an external power supply, the light A is emitted to the front end of the lens barrel 3 through the mounting tube 9 with the inclined upper end, the dispersed light A is reflected out of the lens barrel 3 through the reflective layer 8 on the inner side of the middle part of the lens barrel 3, then the light A is intensively irradiated on the tightly attached TFT module through the first lens 5 so as to reflect the color on the TFT module, the light A is intensively introduced into the lens barrel 3 through the first lens 5, then the light A forms a light beam through the through hole of the light collecting plate 6, then the light A is intensively introduced into the shell 1 again through the second lens 7, the light A is introduced into the shell 1 and refracted through the inclined spectroscope 13 so as to be divided into two light beams A, then the motor 16 works through the external power supply so as to drive the first gear 18 and the polygonal wheel 17 to rotate, the polygon wheel 17 pushes the sliding plate 22 and compresses the spring 24 during the rotation process, so as to change the position of the optical filter 19, the spring 24 is reset after the polygon wheel 17 stops rotating, the sliding plate 22 pushes the polygon wheel 17 through the convex plate 23 at the front end, so as to ensure that one surface of the polygon wheel 17 is vertical to the direction of the light ray A, the light ray A reflected from the inclined spectroscope 13 is filtered through the optical filter 19, the filtered light ray A is detected through the first sensor 21, the optical filter 19 is changed for multiple times and corresponding detection is carried out for multiple times, so as to detect the color of the TFT module, the light ray A reflected through the spectroscope 13 is reflected again through the reflector 14 to enter the triangular prism 15, the light ray A is diffused through the triangular prism 15, so that the light rays A of various colors in the light ray A are separated in a fan shape, the second gear 25 rotates by being meshed with the first gear 18, thereby drive crank 32 and rotate to drive spliced pole 31 through connecting rod 33, thereby drive second inductor 28 and carry out reciprocating sliding on first slide rail 26 and second slide rail 27, thereby make the reciprocal light A who detects after dispersing through prism 15 of second inductor 28, thereby detect the colour of TFT module, the testing result of first inductor 21 and second inductor 28 shows through display screen 2.

The color that lacks in the short-term test detection light A through second inductor 28 during the detection controls the rotation of multilateral wheel 17, makes multilateral wheel 17 avoid rotating the light filter 19 that corresponds with the color that lacks to reduce the invalid detection time of multilateral wheel 17, and then improve the detection efficiency of colorimeter.

Claims (9)

1. A colorimeter for producing a TFT module comprises a shell (1), wherein a display screen (2) is arranged on the shell (1), a partition plate (12) is arranged in the shell (1), and an inclined spectroscope (13) and a reflector (14) are arranged on the partition plate (12), and the colorimeter for producing the TFT module further comprises a light inlet device arranged in front of the shell (1) and used for collecting light emitted by the TFT module; the first detection device is arranged at the front end in the shell (1) and can detect light by a light filtering method; the second detecting means provided at the rear end of the interior can detect light by an astigmatism method.

2. The colorimeter for producing the TFT module according to claim 1, wherein the light incidence device comprises a lens barrel (3), a first lens (5), a light collecting plate (6), a second lens (7), a mounting tube (9) and a lamp bead (10), the lens barrel (3) is fixed at the front end of the shell (1), a support ring (4) made of a transparent material is fixed on the outer side of the front end of the lens barrel (3), the first lens (5) is arranged on the inner side of the front end of the lens barrel (3), the light collecting plate (6) is fixed in the middle of the inner side of the lens barrel (3), the second lens (7) is fixed at the rear end of the inner side of the lens barrel (3), the mounting tube (9) is arranged in the middle of the lens barrel (3), the mounting tube (9) is located between the first lens (5) and the light collecting plate (6), the lamp bead (10) is arranged at the bottom of the mounting tube (9), and the lamp bead (10) can emit light through the operation of an external power supply.

3. The colorimeter for producing a TFT module according to claim 2, wherein the light collecting plate (6) is funnel-shaped, a circular through hole is formed in the bottom of the light collecting plate (6), and a reflective layer (8) is formed inside the light collecting plate (6) and inside the middle of the lens barrel (3).

4. The colorimeter for producing a TFT module according to claim 2, wherein an upper end of the mounting tube (9) is inclined, and a third lens (11) is provided at an upper end of the mounting tube (9).

5. The colorimeter for producing the TFT module according to claim 1, wherein the first detecting device comprises a motor (16), a polygonal wheel (17), a first gear (18), a light filter (19), a mounting column (20), a first sensor (21), a sliding plate (22) and a spring (24), the motor (16) is fixed on the partition plate (12), the mounting column (20) is fixed in the shell (1), the polygonal wheel (17) is rotatably arranged on the mounting column (20), the first gear (18) is fixed below the polygonal wheel (17), the first gear (18) is meshed with an output shaft of the motor (16), the light filters (19) are arranged on the polygonal wheel (17), the first sensor (21) is fixed on the mounting column (20), the first sensor (21) corresponds to the direction of light, the sliding plate (22) is slidably arranged on the first sensor (21), a corresponding sliding groove is formed in the first sensor (21), and the spring (24) is arranged between the sliding plate (22) and the mounting column (20).

6. The colorimeter for producing a TFT module according to claim 5, wherein four corners of the front end of the sliding plate (22) are provided with convex plates (23), and the front ends of the convex plates (23) are in a round angle shape.

7. The colorimeter for producing a TFT module according to claim 5, wherein disk-shaped light shielding plates are arranged at the upper end and the lower end of the polygonal wheel (17), and the middle of the polygonal wheel (17) is of a polygonal structure, so that a darkroom is formed in the polygonal wheel (17).

8. The colorimeter for producing the TFT module according to claim 1, wherein the second detecting device comprises a triangular prism (15), a second gear (25), a first sliding rail (26), a second sliding rail (27), a second sensor (28), a crank (32) and a connecting rod (33), the triangular prism (15) is fixed between the partition plate (12) and the shell (1), the second gear (25) is rotatably installed in the shell (1), the second gear (25) is meshed with the first gear (18), the crank (32) is fixed below the second gear (25), the first sliding rail (26) and the second sliding rail (27) are fixed between the partition plate (12) and the shell (1), a pulley (29) is rotatably arranged at the upper part of the front end of the second sensor (28), a sliding block (30) is arranged below the rear end of the second sensor (28), the front end of the second sensor (28) is slidably installed on the first sliding rail (26), the rear end of the second sensor (28) is installed on the second sliding block (30), and the connecting rod (31) is connected with the connecting rod (31) through the sliding block (31).

9. The colorimeter for producing a TFT module according to claim 8, wherein the first slide rail (26) and the second slide rail (27) are both concentric arcs corresponding to positions of the triangular prism (15).

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