CN103062718A - Optical simulation device of backlight source - Google Patents
Optical simulation device of backlight source Download PDFInfo
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- CN103062718A CN103062718A CN2012105451821A CN201210545182A CN103062718A CN 103062718 A CN103062718 A CN 103062718A CN 2012105451821 A CN2012105451821 A CN 2012105451821A CN 201210545182 A CN201210545182 A CN 201210545182A CN 103062718 A CN103062718 A CN 103062718A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/82—Elements for improving aerodynamics
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Abstract
The invention provides an optical simulation device of a backlight source. The optical simulation device comprises a first bearing unit, a second bearing unit, a distance measurement unit and a control unit. The first bearing unit is used for placing a light source, and the second bearing unit is used for placing a light guide plate. The distance measurement unit is used for obtaining a distance between the light source and the light guide plate. The control unit is connected with the first bearing unit and the second bearing unit and used for controlling relative position between the first bearing unit and the second bearing unit. The optical simulation device of the backlight source adjusts the distance between the light source of the backlight source to be simulated and the light guide plate by controlling the first bearing unit and the second bearing unit, obtains the distance between the light source at the corresponding position and the light guide plate through the distance measurement unit, can actually simulate the optical effect of backlight source products, accordingly can perform actual optical simulation before the products are manufactured, and performs actual verification to the actually simulated backlight source to be developed.
Description
Technical field
The present invention relates to the display technology field, refer to especially a kind of optical analog device of backlight.
Background technology
LCD display self is not luminous, for the content that can be clearly seen that LCD display shows, needs the support of backlight to obtain colour developing.Backlight generally is made of the optics of the necessity such as light source, diaphragm, reflector plate, LGP and backboard.
The development and Design of existing backlight, to simulate by optical simulation software first, arrange LED quantity and LGP apart from etc. key parameter, calculate from design software, then produce by mold developing, but often in the result that calculates of board design and the real sample result deviation is arranged, have influence on the optical effect of backlight, might can't satisfy display standard, just need repeat development and Design this moment, thereby cause the delay of developing schedule and to the waste of development capital.
Summary of the invention
The technical problem to be solved in the present invention is, existing backlight is directly to produce after Software for Design, in case there are deviation in design result and real sample, need repeat development and Design, thereby causes the delay of exploitation schedule and to the waste of development capital.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of optical analog device of backlight, comprising:
The first load bearing unit and the second load bearing unit, described the first load bearing unit are used for placing light source, and described the second load bearing unit is used for placing LGP;
Range cells is used for obtaining the distance between light source and the LGP;
Control module is connected with the second load bearing unit with the first load bearing unit, is used for control the first load bearing unit and the second load bearing unit relative position.
Preferably, described control module also is connected with described range cells, is used for controlling the first load bearing unit and the second load bearing unit relative position according to light source and the distance between the LGP that described range cells is obtained.
Preferably, described the first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described the first drive unit is connected with the first movable part, are used for driving the motion of the first movable part.
Preferably, described the first movable part comprises the first slide block, described the first drive unit comprises the first motor and the first leading screw, described the first motor is connected with the first leading screw, the first leading screw is connected with the first slide block, described the first motor is connected with control module, is used for the signal of the control motor rotation of reception control unit.
Preferably, described range cells comprises infrared range-measurement system, and described infrared range-measurement system is connected with control module, for the light source that obtains to the control module transmission and the distance between the LGP.
Preferably, described infrared range-measurement system comprises infrared transmitter and infrared remote receiver, is connected with control module respectively.
Preferably, described analogue means also comprises be used to the lightproof unit of blocking LGP part emergent ray.
Preferably, described lightproof unit comprises that be used to the second movable part that blocks LGP part emergent ray and the second drive unit, described the second drive unit is connected with the second movable part, is used for driving the motion of the second movable part.
Preferably, described the second movable part comprises the second slide block, described the second drive unit comprises the second motor and the second leading screw, described the second motor is connected with the second leading screw, the second leading screw is connected with the second slide block, described the second motor is connected with control module, is used for the signal of the control motor rotation of reception control unit.
Preferably, described analogue means also comprises: the optic test unit be used for to receive the emergent ray of LGP, and the light that receives is carried out the optical effect analysis.
Preferably, described optic test unit comprises the optic test camera lens, and described optic test camera lens is connected with control module, passes to control module for the result that will carry out to receiving light the optical effect analysis; Described control module also is used for driving described the second movable part according to output control first load bearing unit of described optical effect analysis and the second drive unit of the second load bearing unit relative position and/or described lightproof unit.
Preferably, the second drive unit of described lightproof unit drives the motion of described the second movable part and is specially: the second drive unit drives described the second movable part and moves or move along the direction perpendicular to described LGP exiting surface along the direction that is parallel to the LGP exiting surface.
The beneficial effect of technique scheme of the present invention is as follows: the optical analog device of backlight of the present invention is by the control to the first load bearing unit and the second load bearing unit, adjust the light source of backlight to be simulated and the distance between the LGP, and obtain the light source of relevant position and the distance between the LGP by range cells, can realistic simulation backlight product optical effect to be developed, thereby can before manufacturing a product, carry out actual optical analog, backlight to the computer optical analog carries out actual verification, avoided result in result that computer design calculates and the real sample that the development and Design that repeats that deviation causes is arranged, save the mold developing expense and shortened the exploitation schedule, made it to develop better faster new product.And this analogue means can be realized light source in the backlight and LGP are carried out the simulation of various relative positions, obtains design result more preferably, thereby provides reference frame to actual production.
Description of drawings
Fig. 1 represents the structured flowchart of a kind of embodiment of the present invention;
Fig. 2 represents the structured flowchart of the second embodiment of the present invention;
Fig. 3 represents the structured flowchart of the third embodiment of the present invention
Fig. 4 represents the structural representation of an embodiment of the present invention.
Among the figure, 100 control modules; 200 first load bearing units, 201 first motors, 202 first leading screws, 203 first slide blocks; 300 second load bearing units, 301 objective tables; 400 range cells, 401 infrared transmitters, 402 infrared remote receivers; 500 backlights to be simulated, 501 light sources, 502 LGPs; 600 optic test unit, 601 optic test camera lenses; 700 lightproof unit, 701 second motors, 702 second leading screws, 703 second slide blocks.
The specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, be the structured flowchart of a kind of embodiment of the present invention, the optical analog device of the backlight of this embodiment comprises:
The first load bearing unit 200 and the second load bearing unit 300, described the first load bearing unit 200 is used for placing the light source 501 of backlight 500 to be simulated, and described the second load bearing unit 300 is used for placing the LGP 502 of backlight 500 to be simulated;
The optical analog device of backlight of the present invention is by adjusting the light source of backlight to be simulated and the distance between the LGP to the control of the first load bearing unit and the second load bearing unit, and obtain the light source of relevant position and the distance between the LGP by range cells, can realistic simulation backlight product optical effect to be developed, thereby can before manufacturing a product, carry out actual optical analog, backlight to the computer optical analog carries out actual verification, avoided result in result that computer design calculates and the real sample that the development and Design that repeats that deviation causes is arranged, save the mold developing expense and shortened the exploitation schedule, made it to develop better faster new product.And this analogue means can be realized light source in the backlight and LGP are carried out the simulation of various relative positions, obtains design result more preferably, thereby provides reference frame to actual production.
The first load bearing unit 200 of the present invention and the second load bearing unit 300, be respectively applied to place light source and LGP, control module of the present invention is controlled the relative position between the first load bearing unit and the second load bearing unit, can be that only to control the first load bearing unit removable, the second load bearing unit is not mobile, realizes that light source moves.Also can be that the first load bearing unit is not mobile, the second load bearing unit moves, and realizes that LGP moves.Can also be that the first load bearing unit and the second load bearing unit all move, realize the adjustment of both relative positions.Preferably, described the first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described the first drive unit is connected with the first movable part, are used for driving the motion of the first movable part.Distance is adjustable between the first load bearing unit and the second bearing unit, realized that the distance between light source and the LGP can adjust, thereby the backlight that can treat simulation carries out optical analog, to obtain the optical effect of light source and LGP LGP emergent ray when the different relative position.
The distance that range cells of the present invention 400 is used between measurement light source and the LGP, thus distance between arbitrary position light source and the LGP can be obtained.This range cells 400 is the device of the various measuring distances such as infrared range-measurement system.Preferably, this range cells 400 is connected with control module 100, is used for controlling the first load bearing unit and the second load bearing unit relative position according to light source and the distance between the LGP that described range cells is obtained.The present invention can be the position of adjusting the first load bearing unit according to the numerical value of range cells, also can be the position of adjusting the second load bearing unit, can also be the position of adjusting simultaneously the first load bearing unit and the second load bearing unit, has realized the simulation of backlight.
As shown in Figure 2, the structured flowchart that represents the second embodiment of the present invention, this embodiment and the first embodiment are basic identical, its difference is that this device also comprises optic test unit 600, this optic test unit 600 is used for the light from the LGP outgoing is carried out the optical effect analysis, can carry out the relevant optical effect analyses of backlight such as brightness, uniformity, hot sopt, with the effect of the light that light source and LGP were produced that obtains this distance, thereby reach the true effect of simulation backlight.Preferably, this optic test unit 600 is connected with control module 100, is delivered to control module for the result who light is carried out the optical effect analysis.Described control module also is used for output control the first load bearing unit and the second load bearing unit relative position according to described optical effect analysis.When the optical effect that obtains when not being very desirable, can adjust the relative position between the first load bearing unit and the second load bearing unit, further obtain more preferably emergent ray of optical effect.Owing to can adjust according to the optical effect of emergent ray the distance of light source and LGP, thereby can obtain the distance of light source and the LGP of best light, for the actual production backlight provides reference, thereby improve production efficiency.
As shown in Figure 3, structured flowchart for the third embodiment of the present invention, this embodiment's is basic identical with the second embodiment, difference is that this analogue means also comprises lightproof unit 700, be arranged on LGP one side, be used for blocking LGP part emergent ray, this lightproof unit 700 can realize mobile, so that the overlap with LGP is simulated, whether the hot sopt that reaches the checking backlight meets the requirements.Preferably, this lightproof unit 700 is connected with control module, is controlled the movement of lightproof unit 700 by control module 100.Described control module also is used for moving according to the output control lightproof unit 700 of described optical effect analysis.Preferably, this lightproof unit comprises the second movable part and the second drive unit that blocks LGP part emergent ray, and described the second drive unit is connected with the second movable part, is used for driving the motion of the second movable part.Control module 100 of the present invention also is used for the second drive unit that result according to described optical effect analysis controls described lightproof unit and drives described the second movable part.The second drive unit of lightproof unit 700 of the present invention drives described the second movable part motion and is specially: the second drive unit drives described the second movable part and moves or move along the direction perpendicular to described LGP exiting surface along the direction that is parallel to the LGP exiting surface, has realized the overlap of backlight is simulated.
Be illustrated in figure 4 as the structural representation of the analogue means of an embodiment of the present invention, this analogue means comprises control module (not shown), the first load bearing unit, the second load bearing unit, range cells, optic test unit and lightproof unit.
The first load bearing unit of present embodiment comprises the first movable part and the first drive unit, described the first movable part is used for placing light source, described drive unit is connected with the first movable part, is used for driving the motion of the first movable part, moves thereby drive light source.This drive unit can be used to the device that driving force is provided.Preferably, the first movable part comprises the first slide block 203, described the first drive unit comprises the first motor 201 and the first leading screw 202, the first slide block 203 is used for placing light source 501, the first slide block 203 is connected with the first leading screw 202, the first leading screw 202 is connected with the first motor 201, and this first motor is connected with control module, is used for the signal of reception control unit control motor rotation.This embodiment drives guide screw movement by positive movement and the counter motion of the first motor, moves thereby drive the first slide block drive light source.The mode that the driving slide block of this embodiment moves adopts leading screw and motor to cooperate, and has realized precisely fine setting of distance, and can reach the slide block moving range is 0 ~ 20mm, satisfies each size GAP needs.The first motor of this embodiment is stepper motor, by the control step electric machine rotation, utilizes leading screw to make and rotate to become translation, makes the slide block that is attached thereto and deviate from the LGP direction towards the LGP direction and moves the distance H between control light source and the LGP.
The second load bearing unit of present embodiment comprises objective table 301, is used for placing LGP 502, and the LGP of this embodiment maintains static, and only has light source to move.Certainly, also can be arranged to the second load bearing unit and move, the first load bearing unit maintains static, and perhaps two load bearing units all move, and have realized the distance between light source and the LGP adjustable.
The range cells of present embodiment is infrared range-measurement system, and this infrared range-measurement system is connected with control module, is used for obtaining the distance H between light source and the LGP, and the minimum measuring unit of rangefinder is 0.1mm.The infrared range-measurement system of this embodiment comprises infrared transmitter 401 and infrared remote receiver 402, infrared remote receiver 402 is installed on the first slide block 203, infrared transmitter 401 is placed on the relative position of infrared remote receiver 402, infrared transmitter 301 is connected with control module respectively with infrared remote receiver 302, is used for infrared signal is sent to control module.Infrared transmitter is launched uninterrupted infrared electric wave, at the first slide block 203 infrared receiving device is installed, distance between test infrared transmitter and the infrared remote receiver, because light source is to be fixed on the first slide block, by measuring the distance of infrared transmitter 401 and the first slide block, can measure the distance H between light source 501 and the LGP 502.Infrared range-measurement system is connected with control module, and the position feedback of infrared transmitter and infrared remote receiver in control module, is calculated light source and LGP distance and shown by control module.
The optic test unit of present embodiment comprises optic test camera lens 601, and optic test camera lens 601 is used for the brightness of test LGP emergent ray, was all once waiting optical effect.Optic test camera lens 601 can be connected with display, can show in real time the optical effect data of test.Preferably, this optic test camera lens 601 is connected with control module, is used for optical effect is analyzed data feedback to control module, shows the test effect by control module.At this moment, infrared range-measurement system also also feeds back to control module to the distance between light source and the LGP.Control module is undertaken corresponding one by one by the optical effect to the distance of light source and LGP and LGP emergent ray, can select according to analog result when Practical manufacturing, and carry out design alteration as required.This control module can also drive described the second movable part according to the second drive unit that the first load bearing unit and the second load bearing unit relative position and/or described lightproof unit are controlled in the optical effect analysis.
The lightproof unit of present embodiment comprises that described the second drive unit is connected with the second movable part be used to blocking LGP part emergent ray the second movable part and the second drive unit, is used for driving the motion of the second movable part.The second movable part of this embodiment comprises the second slide block 703, described the second drive unit comprises the second motor 701 and the second leading screw 702, the second slide block 703 is connected with the second leading screw 702, the second leading screw 702 is connected with the second motor 701, this second motor 701 is connected with control module, control motor rotation by control module, positive movement and counter motion by the second motor drive guide screw movement, thereby driving the second slide block moves, can simulate the overlap with LGP, thus the hot spot effect that can observe the LGP emergent ray.
Use technique scheme, can realistic simulation backlight product optical effect to be developed, thereby can before manufacturing a product, carry out actual optical analog, backlight to the computer optical analog carries out actual verification, avoided result in result that computer design calculates and the real sample that the development and Design that repeats that deviation causes is arranged, save the mold developing expense and shortened the exploitation schedule, made it to develop better faster new product.
The above is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. the optical analog device of a backlight is characterized in that, comprising:
The first load bearing unit and the second load bearing unit, described the first load bearing unit are used for placing light source, and described the second load bearing unit is used for placing LGP;
Range cells is used for obtaining the distance between light source and the LGP;
Control module is connected with the second load bearing unit with the first load bearing unit, is used for control the first load bearing unit and the second load bearing unit relative position.
2. analogue means according to claim 1, it is characterized in that, described control module also is connected with described range cells, is used for controlling the first load bearing unit and the second load bearing unit relative position according to light source and the distance between the LGP that described range cells is obtained.
3. analogue means according to claim 1, it is characterized in that, described the first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described the first drive unit is connected with the first movable part, are used for driving the motion of the first movable part.
4. analogue means according to claim 3, it is characterized in that, described the first movable part comprises the first slide block, described the first drive unit comprises the first motor and the first leading screw, described the first motor is connected with the first leading screw, the first leading screw is connected with the first slide block, and described the first motor is connected with control module, is used for the signal of the control motor rotation of reception control unit.
5. analogue means according to claim 1 is characterized in that, described range cells comprises infrared range-measurement system, and described infrared range-measurement system is connected with control module, for the light source that obtains to the control module transmission and the distance between the LGP.
6. according to analogue means claimed in claim 5, it is characterized in that described infrared range-measurement system comprises infrared transmitter and infrared remote receiver, be connected with control module respectively.
7. analogue means according to claim 1 is characterized in that, described analogue means also comprises be used to the lightproof unit of blocking LGP part emergent ray.
8. analogue means according to claim 7, it is characterized in that, described lightproof unit comprises be used to the second movable part that blocks LGP part emergent ray and the second drive unit, described the second drive unit is connected with the second movable part, is used for driving the motion of the second movable part.
9. analogue means according to claim 8, it is characterized in that, described the second movable part comprises the second slide block, described the second drive unit comprises the second motor and the second leading screw, described the second motor is connected with the second leading screw, the second leading screw is connected with the second slide block, and described the second motor is connected with control module, is used for the signal of the control motor rotation of reception control unit.
10. according to claim 8 or 9 described analogue means, it is characterized in that described analogue means also comprises: the optic test unit is used for receiving the emergent ray of LGP, and the light that receives is carried out the optical effect analysis.
11. analogue means according to claim 10, it is characterized in that, described optic test unit comprises the optic test camera lens, and described optic test camera lens is connected with control module, passes to control module for the result that will carry out to receiving light the optical effect analysis; Described control module also is used for driving described the second movable part according to output control first load bearing unit of described optical effect analysis and the second drive unit of the second load bearing unit relative position and/or described lightproof unit.
12. analogue means according to claim 11, it is characterized in that the second drive unit of described lightproof unit drives described the second movable part motion and is specially: the second drive unit drives described the second movable part and moves or move along the direction perpendicular to described LGP exiting surface along the direction that is parallel to the LGP exiting surface.
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| CN201210545182.1A CN103062718B (en) | 2012-12-14 | 2012-12-14 | Optical simulation device of backlight source |
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| CN201210545182.1A CN103062718B (en) | 2012-12-14 | 2012-12-14 | Optical simulation device of backlight source |
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| CN103411755A (en) * | 2013-08-08 | 2013-11-27 | 深圳市华星光电技术有限公司 | Optical testing device |
| CN103672626A (en) * | 2013-12-31 | 2014-03-26 | 京东方科技集团股份有限公司 | Debugging device for backlight module |
| CN104035221A (en) * | 2014-06-05 | 2014-09-10 | 京东方科技集团股份有限公司 | Backlight source simulation jig |
| CN104090394A (en) * | 2014-07-10 | 2014-10-08 | 京东方科技集团股份有限公司 | Device and method for simulating display module |
| CN104456204A (en) * | 2014-11-29 | 2015-03-25 | 海宁艾可炫照明电器有限公司 | Panel lamp and working method thereof |
| CN109727550A (en) * | 2019-01-11 | 2019-05-07 | 深圳市恒明星照明有限公司 | One kind can interact lamp box apparatus and interactive approach with human body |
| CN110160752A (en) * | 2019-06-06 | 2019-08-23 | 江苏毅昌科技有限公司 | A kind of test of light source device |
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| CN104456204A (en) * | 2014-11-29 | 2015-03-25 | 海宁艾可炫照明电器有限公司 | Panel lamp and working method thereof |
| CN109727550A (en) * | 2019-01-11 | 2019-05-07 | 深圳市恒明星照明有限公司 | One kind can interact lamp box apparatus and interactive approach with human body |
| CN110160752A (en) * | 2019-06-06 | 2019-08-23 | 江苏毅昌科技有限公司 | A kind of test of light source device |
| CN110160752B (en) * | 2019-06-06 | 2022-04-19 | 江苏毅昌科技有限公司 | Light source testing device |
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