CN103062718B - Optical simulation device of backlight source - Google Patents
Optical simulation device of backlight source Download PDFInfo
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- CN103062718B CN103062718B CN201210545182.1A CN201210545182A CN103062718B CN 103062718 B CN103062718 B CN 103062718B CN 201210545182 A CN201210545182 A CN 201210545182A CN 103062718 B CN103062718 B CN 103062718B
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- guide plate
- light guide
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- 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 display technology field, refer to a kind of optical analog device of backlight especially.
Background technology
LCD display self is not luminous, in order to can be clearly seen that the content that LCD display shows, needs the support of backlight to be developed the color.Backlight is generally made up of the optics that light source, diaphragm, reflector plate, light guide plate and backboard etc. are necessary.
The development and Design of existing backlight, first simulated by optical simulation software, the key parameter such as LED quantity and light guide plate distance is set, calculate from design software, then produced by mold developing, but often board design calculate result and real sample in result have deviation, have influence on the optical effect of backlight, likely cannot meet display standard, now just need repeat development and Design, thus cause the exploitation delay of schedule and the waste to development capital.
Summary of the invention
The technical problem to be solved in the present invention is, existing backlight directly produces after Software for Design, once design result and real sample exist deviation, need repeat development and Design, thus causes the exploitation delay of schedule and the waste to 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:
First load bearing unit and the second load bearing unit, described first load bearing unit is for placing light source, and described second load bearing unit is for placing light guide plate;
Range cells, for obtaining the distance between light source and light guide plate;
Control module, is connected with the second load bearing unit with the first load bearing unit, for controlling relative position between the first load bearing unit and the second load bearing unit.
Preferably, described control module is also connected with described range cells, controls relative position between the first load bearing unit and the second load bearing unit for the distance between the light source that obtains according to described range cells and light guide plate.
Preferably, described first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described first drive unit is connected with the first movable part, for driving the first movable part motion.
Preferably, described first movable part comprises the first slide block, described first drive unit comprises the first motor and the first leading screw, described first motor is connected with the first leading screw, first leading screw is connected with the first slide block, described first motor is connected with control module, 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 sending the distance between light source and light guide plate obtained to control module.
Preferably, described infrared range-measurement system comprises infrared transmitter and infrared remote receiver, is connected respectively with control module.
Preferably, described analogue means also comprises the lightproof unit for blocking light guide plate part emergent ray.
Preferably, described lightproof unit comprises the second movable part for blocking light guide plate part emergent ray and the second drive unit, and described second drive unit is connected with the second movable part, for driving the second movable part motion.
Preferably, described second movable part comprises the second slide block, described second drive unit comprises the second motor and the second leading screw, described second motor is connected with the second leading screw, second leading screw is connected with the second slide block, described second motor is connected with control module, for the signal of the control motor rotation of reception control unit.
Preferably, described analogue means also comprises: optic test unit, for receiving the emergent ray of light guide plate, and carries out optical effect analysis to the light received.
Preferably, described optic test unit comprises optic test camera lens, and described optic test camera lens is connected with control module, for the result of reception light being carried out to optical effect analysis is passed to control module; Described control module also drives described second movable part for the second drive unit of relative position between output control first load bearing unit analyzed according to described optical effect and the second load bearing unit and/or described lightproof unit.
Preferably, the second drive unit of described lightproof unit drives described second movable part motion to be specially: the second drive unit drives described second movable part move along the direction being parallel to light guide plate exiting surface or move along the direction perpendicular to described light guide plate 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 distance between light source and light guide plate waiting to simulate backlight, and obtain the distance between the light source of relevant position and light guide plate by range cells, can realistic simulation backlight product optical effect to be developed, thus actual optical analogy can be carried out before manufacturing a product, actual verification is carried out to the backlight of computer optical analogy, avoid computer design calculate result and real sample in result have deviation to cause repeat development and Design, eliminate mold developing expense and shorten exploitation schedule, make it better to develop new product faster.And this analogue means can realize simulation light source in backlight and light guide plate being carried out to various relative position, obtain design result more preferably, thus provide reference frame to actual production.
Accompanying drawing explanation
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.
In 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 wait to simulate backlight, 501 light sources, 502 light guide plate; 600 optic test unit, 601 optic test camera lenses; 700 lightproof unit, 701 second motors, 702 second leading screws, 703 second slide blocks.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, 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:
First load bearing unit 200 and the second load bearing unit 300, described first load bearing unit 200 is for placing the light source 501 of waiting to simulate backlight 500, and described second load bearing unit 300 is for placing the light guide plate 502 waiting to simulate backlight 500;
Range cells 400, for obtaining the distance between light source and light guide plate;
Control module 100, is connected with the second load bearing unit with the first load bearing unit, for controlling relative position between the first load bearing unit and the second load bearing unit.
The optical analog device of backlight of the present invention is by adjusting the distance between light source and light guide plate waiting to simulate backlight to the control of the first load bearing unit and the second load bearing unit, and obtain the distance between the light source of relevant position and light guide plate by range cells, can realistic simulation backlight product optical effect to be developed, thus actual optical analogy can be carried out before manufacturing a product, actual verification is carried out to the backlight of computer optical analogy, avoid computer design calculate result and real sample in result have deviation to cause repeat development and Design, eliminate mold developing expense and shorten exploitation schedule, make it better to develop new product faster.And this analogue means can realize simulation light source in backlight and light guide plate being carried out to various relative position, obtain design result more preferably, thus provide reference frame to actual production.
Control module 100 of the present invention can be the controller such as computing machine, microprocessor, for controlling the relative position between the first load bearing unit and the second load bearing unit, achieve the adjustment of the spacing to the light source that load bearing unit is placed and light guide plate, achieve Based Intelligent Control.
First load bearing unit 200 and the second load bearing unit 300 of the present invention, be respectively used to place light source and light guide plate, control module of the present invention controls the relative position between the first load bearing unit and the second load bearing unit, can be that only control the first load bearing unit is removable, second load bearing unit does not move, and realizes light source and moves.Also can be that the first load bearing unit does not move, the second load bearing unit moves, and realizes light guide plate and moves.Can also be that the first load bearing unit and the second load bearing unit all move, the adjustment of both realizations relative position.Preferably, described first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described first drive unit is connected with the first movable part, for driving the first movable part motion.The spacing of the first load bearing unit and the second bearing unit is adjustable, the distance achieved between light source and light guide plate can adjust, thus the backlight can treating simulation carries out optical analogy, to obtain the optical effect of light source and the light guide plate light guide plate emergent ray when different relative position.
Range cells 400 of the present invention for the distance between measurement light source and light guide plate, thus can obtain the distance between any position light source and light guide plate.The device of this range cells 400 various measuring distance such as infrared range-measurement system.Preferably, this range cells 400 is connected with control module 100, controls relative position between the first load bearing unit and the second load bearing unit for the distance between the light source that obtains according to described range cells and light guide plate.The present invention can be the position adjusting the first load bearing unit according to the numerical value of range cells, and also can be the position of adjustment second load bearing unit, can also be the position simultaneously adjusting the first load bearing unit and the second load bearing unit, achieves the simulation of backlight.
As shown in Figure 2, represent the structured flowchart of the second embodiment of the present invention, this embodiment is substantially identical with the first embodiment, its difference is that this device also comprises optic test unit 600, this optic test unit 600 is for carrying out optical effect analysis to the light from light guide plate outgoing, the optical effect analysis that the backlights such as brightness, homogeneity, hot sopt are relevant can be carried out, the effect of the light produced with the light source and light guide plate that obtain this distance, thus the true effect reaching simulation backlight.Preferably, this optic test unit 600 is connected with control module 100, is delivered to control module for the result of light being carried out optical effect analysis.Described control module is also for relative position between output control first load bearing unit analyzed according to described optical effect and the second load bearing unit.When the optical effect obtained is not very desirable, the relative position between the first load bearing unit and the second load bearing unit can be adjusted, obtain optical effect more preferably emergent ray further.Owing to can adjust the distance of light source and light guide plate according to the optical effect of emergent ray, thus the light source of best light and the distance of light guide plate can be obtained, for actual production backlight provides reference, thus improve production efficiency.
As shown in Figure 3, for the structured flowchart of the third embodiment of the present invention, this embodiment substantially identical with the second embodiment, difference is that this analogue means also comprises lightproof unit 700, be arranged on light guide plate side, for blocking light guide plate part emergent ray, this lightproof unit 700 can realize mobile, to simulate the overlap with light guide plate, whether the hot sopt reaching 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.The output control lightproof unit 700 of described control module also for analyzing according to described optical effect moves.Preferably, this lightproof unit comprises the second movable part and the second drive unit that block light guide plate part emergent ray, and described second drive unit is connected with the second movable part, for driving the second movable part motion.The second drive unit that the result of control module 100 of the present invention also for analyzing according to described optical effect controls described lightproof unit drives described second movable part.Second drive unit of lightproof unit 700 of the present invention drives described second movable part motion to be specially: the second drive unit drives described second movable part move along the direction being parallel to light guide plate exiting surface or move along the direction perpendicular to described light guide plate exiting surface, achieves and simulates the overlap of backlight.
Be illustrated in figure 4 the structural representation of the analogue means of a kind of embodiment of the utility model, 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.
First load bearing unit of the present embodiment comprises the first movable part and the first drive unit, described first movable part is for placing light source, described drive unit is connected with the first movable part, for driving the first movable part motion, thus drives light source to move.This drive unit can be the device for providing driving force.Preferably, first movable part comprises the first slide block 203, described first drive unit comprises the first motor 201 and the first leading screw 202, first slide block 203 is for placing light source 501, first slide block 203 is connected with the first leading screw 202, first leading screw 202 is connected with the first motor 201, and this first motor is connected with control module, controls the signal of motor rotation for reception control unit.This embodiment drives guide screw movement by the positive movement of the first motor and counter motion, thus drives the first slide block to drive light source to move.The mode of the driving slide block movement of this embodiment adopts leading screw and motor to coordinate, and achieve distance precisely fine setting, can reach slide block moving range is 0 ~ 20mm, meets each size GAP needs.First motor of this embodiment is stepper motor, by control step electric machine rotation, utilizes leading screw to make rotation become translation, makes the slide block that is attached thereto and can deviate from light guide plate direction and move towards light guide plate direction, controls the distance H between light source and light guide plate.
Second load bearing unit of the present embodiment comprises objective table 301, and for placing light guide plate 502, the light guide plate 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, or two load bearing units all move, and achieve the distance between light source and light guide plate adjustable.
The range cells of the present embodiment is infrared range-measurement system, and this infrared range-measurement system is connected with control module, and for obtaining the distance H between light source and light guide plate, the minimum measuring unit of stadimeter 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 arranged 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, for infrared signal is sent to control module.Uninterrupted infrared electric wave launched by infrared transmitter, first slide block 203 is provided with infrared receiving device, the spacing of test infrared transmitter and infrared remote receiver, because light source is fixed on the first slide block, by measuring the distance of infrared transmitter 401 and the first slide block, the distance H between light source 501 and light guide plate 502 can be measured.Infrared range-measurement system is connected with control module, feeds back in control module by the position of infrared transmitter and infrared remote receiver, by control module calculate light source and LGP distance and show.
The optic test unit of the present embodiment comprises optic test camera lens 601, and optic test camera lens 601 is for testing the optical effect such as brightness, uniformity of light guide plate emergent ray.Optic test camera lens 601 can be connected with display, can show the optical effect data of test in real time.Preferably, this optic test camera lens 601 is connected with control module, for optical effect is analyzed data feedback to control module, shows test effect by control module.Now, infrared range-measurement system also also feeds back to control module the distance between light source and light guide plate.Control module carries out one_to_one corresponding by the optical effect of the Distance geometry light guide plate emergent ray to light source and light guide plate, can select, and carry out design alteration as required when reality manufactures according to analog result.This control module can also control described second movable part of the second drive unit driving of relative position and/or described lightproof unit between the first load bearing unit and the second load bearing unit according to optical effect analysis.
The lightproof unit of the present embodiment comprises for blocking light guide plate part emergent ray second movable part and the second drive unit, and described second drive unit is connected with the second movable part, for driving the second movable part motion.Second movable part of this embodiment comprises the second slide block 703, described second drive unit comprises the second motor 701 and the second leading screw 702, second slide block 703 is connected with the second leading screw 702, second leading screw 702 is connected with the second motor 701, this second motor 701 is connected with control module, motor rotation is controlled by control module, guide screw movement is driven by the positive movement of the second motor and counter motion, thus drive the second slide block to move, the overlap with LGP can be simulated, thus the hot spot effect of light guide plate emergent ray can be observed.
Application technique scheme, can realistic simulation backlight product optical effect to be developed, thus actual optical analogy can be carried out before manufacturing a product, actual verification is carried out to the backlight of computer optical analogy, avoid computer design calculate result and real sample in result have deviation to cause repeat development and Design, eliminate mold developing expense and shorten exploitation schedule, make it better to develop new product faster.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing 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 (11)
1. an optical analog device for backlight, is characterized in that, comprising:
First load bearing unit and the second load bearing unit, described first load bearing unit is for placing light source, and described second load bearing unit is for placing light guide plate;
Range cells, for obtaining the distance between light source and light guide plate;
Control module, be connected with the second load bearing unit with the first load bearing unit, for controlling relative position between the first load bearing unit and the second load bearing unit, described control module is also connected with described range cells, controls relative position between the first load bearing unit and the second load bearing unit for the distance between the light source that obtains according to described range cells and light guide plate.
2. analogue means according to claim 1, it is characterized in that, described first load bearing unit and/or the second load bearing unit comprise the first movable part and the first drive unit, and described first drive unit is connected with the first movable part, for driving the first movable part motion.
3. analogue means according to claim 2, it is characterized in that, described first movable part comprises the first slide block, described first drive unit comprises the first motor and the first leading screw, described first motor is connected with the first leading screw, first leading screw is connected with the first slide block, and described first motor is connected with control module, for the signal of the control motor rotation of reception control unit.
4. 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 sending the distance between light source and light guide plate obtained to control module.
5. according to analogue means according to claim 4, it is characterized in that, described infrared range-measurement system comprises infrared transmitter and infrared remote receiver, is connected respectively with control module.
6. analogue means according to claim 1, is characterized in that, described analogue means also comprises the lightproof unit for blocking light guide plate part emergent ray.
7. analogue means according to claim 6, it is characterized in that, described lightproof unit comprises the second movable part for blocking light guide plate part emergent ray and the second drive unit, described second drive unit is connected with the second movable part, for driving the second movable part motion.
8. analogue means according to claim 7, it is characterized in that, described second movable part comprises the second slide block, described second drive unit comprises the second motor and the second leading screw, described second motor is connected with the second leading screw, second leading screw is connected with the second slide block, and described second motor is connected with control module, for the signal of the control motor rotation of reception control unit.
9. the analogue means according to claim 7 or 8, is characterized in that, described analogue means also comprises: optic test unit, for receiving the emergent ray of light guide plate, and carries out optical effect analysis to the light received.
10. analogue means according to claim 9, it is characterized in that, described optic test unit comprises optic test camera lens, and described optic test camera lens is connected with control module, for the result of reception light being carried out to optical effect analysis is passed to control module; Described control module also drives described second movable part for the second drive unit of relative position between output control first load bearing unit analyzed according to described optical effect and the second load bearing unit and/or described lightproof unit.
11. analogue means according to claim 10, it is characterized in that, the second drive unit of described lightproof unit drives described second movable part motion to be specially: the second drive unit drives described second movable part move along the direction being parallel to light guide plate exiting surface or move along the direction perpendicular to described light guide plate exiting surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210545182.1A CN103062718B (en) | 2012-12-14 | 2012-12-14 | Optical simulation device of backlight source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210545182.1A CN103062718B (en) | 2012-12-14 | 2012-12-14 | Optical simulation device of backlight source |
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| CN103062718A CN103062718A (en) | 2013-04-24 |
| CN103062718B true CN103062718B (en) | 2015-02-25 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103411755B (en) * | 2013-08-08 | 2015-11-11 | 深圳市华星光电技术有限公司 | A kind of optical testing device |
| CN103672626B (en) * | 2013-12-31 | 2015-11-25 | 京东方科技集团股份有限公司 | A kind of backlight module debugging apparatus |
| CN104035221B (en) | 2014-06-05 | 2017-04-26 | 京东方科技集团股份有限公司 | Backlight source simulation jig |
| CN104090394B (en) * | 2014-07-10 | 2016-08-24 | 京东方科技集团股份有限公司 | The device and method of simulative display module |
| CN104456204B (en) * | 2014-11-29 | 2016-04-06 | 海宁艾可炫照明电器有限公司 | A kind of panel light and method of work thereof |
| CN109727550B (en) * | 2019-01-11 | 2021-11-19 | 恒明星光智慧文化科技(深圳)有限公司 | Lamp box device capable of interacting with human body and interaction method |
| 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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| CN102636335A (en) * | 2012-03-31 | 2012-08-15 | 上海太阳能电池研究与发展中心 | Device and method for detecting optical parameter of backlight in on-line manner |
| CN202793745U (en) * | 2012-09-03 | 2013-03-13 | 京东方科技集团股份有限公司 | Backlight simulation jig |
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| TWI443439B (en) * | 2010-11-22 | 2014-07-01 | Delta Electronics Inc | Projection apparatus, illumination module and brightness adjusting method for the projection apparatus |
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| CN201965015U (en) * | 2010-12-31 | 2011-09-07 | 深圳展景世纪科技有限公司 | Optical device testing system |
| CN102636335A (en) * | 2012-03-31 | 2012-08-15 | 上海太阳能电池研究与发展中心 | Device and method for detecting optical parameter of backlight in on-line manner |
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