CN105222997A - A kind of light source simulating device, test of light source system and method for testing - Google Patents
A kind of light source simulating device, test of light source system and method for testing Download PDFInfo
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- CN105222997A CN105222997A CN201510641500.8A CN201510641500A CN105222997A CN 105222997 A CN105222997 A CN 105222997A CN 201510641500 A CN201510641500 A CN 201510641500A CN 105222997 A CN105222997 A CN 105222997A
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Abstract
The invention discloses a kind of light source simulating device, test of light source system and method for testing, main contents comprise: devise the light source simulating device that comprises light source analog board and processor, to simulate the light source of various lamp bar pattern.Thus, the entity products of light source need not be produced, the simulated operation of the light source to various lamp bar pattern can be realized, save production operation technique; And, light source need not be changed when test, just can realize the test to various light sources by this analogue means, improve the convenience of test operation; In addition, because this light source simulating device is controlled to light corresponding luminescence unit by processor, therefore, compared to the entity products of the light source produced in prior art, the accuracy of its optical parametric finally demonstrated is higher, and then, the accuracy of test can be improved.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of light source simulating device, test of light source system and method for testing.
Background technology
Due to the fast development of display technique, not only more and more higher to the quality requirements of the products such as display device, and the quality requirements for the light source of secondary monitor part is also promoting gradually.In the display device of reality or the production run of light source, need by the parameter information of test products to announce to consumer's reference in product description, especially to the testing evaluation of the optical parametric of light source.
In existing test of light source scheme, the light source of different layout types is needed to produce, then according to as shown in Figure 1, light source A to be tested is placed on the plummer 11 of proving installation 1, to be fixed good after, opening driving power is light source A input control signal, and the effective light-emitting zone B now on light source A lights.The probe 12 of proving installation 1 gathers the optical parametric of the current light source A lighted as test cell, and record.To be tested complete after, if wish test different layout types light source, then need light source A to take off from proving installation 1, place the light source of another kind of layout types, and repeat aforesaid operations.
As can be seen here, this test mode needs the entity products of often kind of light source to be tested to produce, and, need constantly to change light source during test and could realize displaying to each light source, test, therefore, cause complex operation.
Summary of the invention
The embodiment of the present invention provides a kind of light source simulating device, test of light source system and method for testing, in order to solve the problem owing to needing the complex operation needing the entity products changing light source to bring when the entity products of production light source and test existed in prior art.
The embodiment of the present invention is by the following technical solutions:
A kind of light source simulating device, comprising: light source analog board and processor;
Wherein, described light source analog board comprises multiple luminescence unit, and described multiple luminescence unit is matrix form close-packed arrays;
Described processor is electrically connected with each luminescence unit in described light source analog board, for lighting corresponding luminescence unit according to required illuminator bar pattern, strong to demonstrate required illuminator bar pattern issued light.
Preferably, each described luminescence unit is LED or is OLED pixel cell.
Preferably, described light source analog board also comprises: the optical enhancement rete of position in the light-emitting area of described multiple luminescence unit.
Alternatively, described device is for simulating backlight.
A kind of test of light source system, comprises described light source simulating device, also comprises:
Proving installation, for testing the current optical parametric of the optical analog plate after lighting and record.
Preferably, described test of light source system also comprises:
Means for correcting, for when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control described processor and adjust lamp bar pattern that described light source simulation template die intends till consistent with required illuminator bar pattern.
Preferably, described means for correcting, specifically comprises image grabber, image processor, and sender unit;
Wherein, described image grabber, for obtaining the image parameter of the analog modulation bar pattern shown by the light source analog board after lighting;
Described image processor, the image parameter for the image parameter that image grabber got and required illuminator bar pattern compares, and determines the difference that both exist;
Described sender unit, for being sent to the processor in light source simulator by the difference determined.
Utilize a method for described test of light source system testing light source, comprising:
Processor, according to required illuminator bar pattern, controls luminescence unit corresponding in light source analog board luminous, strong to demonstrate required lamp bar pattern issued light;
Test the optical parametric of the light source analog board after lighting.
Preferably, before the optical parametric of the light source analog board after proving installation test is lighted, described method also comprises:
Means for correcting is when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern.
Preferably, means for correcting is when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern, specifically comprise:
Described means for correcting obtains the image parameter of the analog modulation bar pattern shown by light source analog board after lighting, the image parameter of the image parameter got and required illuminator bar pattern is compared, determine the difference that both exist, the difference determined is sent to the processor in light source simulator, to control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern.
In embodiments of the present invention, by above-mentioned light source simulating device, test of light source system, the entity products of light source need not be produced, the simulated operation of the light source to various lamp bar pattern can be realized, save production operation technique; And, light source need not be changed when test, just can realize the test to various light sources by this analogue means, improve the convenience of test operation; In addition, because this light source simulating device is controlled to light corresponding luminescence unit by processor, therefore, compared to the entity products of the light source produced in prior art, the accuracy of its optical parametric finally demonstrated is higher, and then, the accuracy of test can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of test of light source device in prior art;
The structural representation of a kind of light source simulating device that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 (a) is the schematic diagram of the light source analog board of LED for luminescence unit;
Fig. 3 (b) is the schematic diagram of the light source analog board of OLED pixel cell for luminescence unit;
Fig. 4 (a) and Fig. 4 (b) is respectively two kinds of illuminator bar patterns that light source simulating device simulation is formed;
The structural representation of the test of light source system that Fig. 5 (a)-Fig. 5 (c) provides for the embodiment of the present invention;
Fig. 6 (a) and Fig. 6 (b) is respectively the schematic flow sheet of the method for testing of the light source that the embodiment of the present invention provides;
Fig. 7 is the testing process schematic diagram performed with concrete test case.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in embodiments of the present invention, be mainly described for light source simulating device simulation backlight, the simulation of other light sources is similar, does not repeat at this.
Below by specific embodiment, scheme involved in the present invention is described in detail, the present invention includes but be not limited to following examples.
As shown in Figure 2, be the structural representation of a kind of light source simulating device that the embodiment of the present invention provides, this light source simulating device 20 mainly comprises: light source analog board 21 and processor 22; Wherein, light source analog board 21 comprises multiple luminescence unit 211, and multiple luminescence unit 211 is in matrix form close-packed arrays, and light source analog board 21 involved in the present invention is not limited to the shape shown in Fig. 2, can also be strip or other shapes; Processor 22 is electrically connected with each luminescence unit 211 in light source analog board 21, for lighting corresponding luminescence unit 211 according to required illuminator bar pattern, strong to demonstrate required illuminator bar pattern issued light.Multiple luminescence unit 211 can make this light source analog board 21 can simulate the light source of various shape various sizes in matrix form close-packed arrays, can also regulate the spacing of each luminescence unit in light source.
Wherein, in embodiments of the present invention, illuminator bar pattern can be design parameter, particularly, can comprise: effectively light-emitting zone number, effective light-emitting zone shape, size (the luminescence unit number namely comprised in effective light-emitting zone), the parameter informations such as the position of effective light-emitting zone in light source analog board 21.
In addition, design parameter also comprises: drive luminescence unit to light required voltage or electric current, by the authenticity regulating corresponding magnitude of voltage or current value better can adjust light source simulation template die plan.
Concrete, the light source simulating device of the embodiment of the present invention can be the analogue means of backlight in liquid crystal indicator, reduce existing backlight and detect the complicated processes needing to detect entity products, and by the control to luminescence unit, can simulate the lamp bar of various pattern, convenient and swift.
In embodiments of the present invention, devise the light source simulating device that comprises light source analog board and processor, to simulate the light source of various lamp bar pattern.Thus, the entity products of light source need not be produced, the simulated operation of the light source to various lamp bar pattern can be realized, save production operation technique; And, light source need not be changed when test, just can realize the test to various light sources by this analogue means, improve the convenience of test operation; In addition, because this light source simulating device is controlled to light corresponding luminescence unit by processor, therefore, compared to the entity products of the light source produced in prior art, the accuracy of its optical parametric finally demonstrated is higher, and then, the accuracy of test can be improved.
Preferably, in embodiments of the present invention, each described luminescence unit 211 comprised in light source analog board 21 is LED or is OLED pixel cell.
Particularly, the luminescence unit as shown in Fig. 3 (a) is the schematic diagram of the light source analog board of LED, and suppose that this light source analog board comprises 12 × 12 LED, the shape of each LED does not limit, and can be rectangle, circle or triangle.In addition, in the light source analog board shown in Fig. 3 (a), the light source of shown LED can be white light, and can be also monochromatic glory or mixing, its arrangement mode limit.In the light source analog board shown in above-mentioned Fig. 3 (a), each LED can be connected to by lead-in wire and drive general supply independently to control, and drives general supply correspondence to be provided with multiple drive module; Also can be that each LED is connected to multiple independently driving power respectively by lead-in wire, in each driving power, be provided with a driver module.
Luminescence unit as shown in Fig. 3 (b) is the schematic diagram of the light source analog board of OLED pixel cell, and this light source analog board is made up of an oled panel, and each OLED pixel cell in this oled panel is luminescence unit.This oled panel mainly comprises: hole transmission layer (HTL), luminescent layer (EL) and electron transfer layer (ETL).When supplying power to appropriate voltage, positive pole hole and negative electrode electric charge will combine in luminescent layer, produce light, and the difference according to the material of its luminescent layer produces red, green and blue three primary colors, forms basic color.Wherein, each OLED pixel cell in this light source analog board is the pixel switch being opened respective position place by the mode of turntable driving, thus realizes lighting the driving of each OLED pixel cell.
Preferably, in embodiments of the present invention, as shown in Figure 2, generally, in order to can real simulation light source, this light source analog board 21 also comprises: the optical enhancement rete 212 of position in the light-emitting area of multiple luminescence unit 211.This optical enhancement rete 212 is subtest rete, can be one or more optical films, specifically can comprise: end reflector plate, light guide plate, lower diffusion sheet, lower prism, upper prism, upper diffusion sheet.
Below by two concrete examples, the illuminator bar pattern that above-mentioned light source simulating device simulation is formed is shown.
Example 1:
As shown in Fig. 4 (a), be one of illuminator bar pattern that light source simulating device simulation is formed, wherein, effective light-emitting zone number is 8, and effective light-emitting zone shape is rectangle, is of a size of A × B, and the distance between each effective light-emitting zone is L.
Example 2:
As shown in Fig. 4 (b), be the illuminator bar pattern two that light source simulating device simulation is formed, wherein, effective light-emitting zone number is 4, and effective light-emitting zone shape is rectangle, is of a size of 2A × B, and the distance between each effective light-emitting zone is 2L.
Above-described embodiment is only to illustrate that light source simulating device can be simulated the lamp bar of different parameters, different pattern, is not limitation of the invention.Further, when above-mentioned light source simulating device is for simulating backlight, can also simulate the three-dimensional position of each lamp bar at whole backlight, as the distance on relative each border of backlight, or lamp bar opposing optical strengthens distance between rete etc.; These can adjust according to different demands when embody rule, and the embodiment of the present invention does not limit.
Based on the light source simulating device that above-described embodiment provides, the embodiment of the present invention additionally provides a kind of test of light source system, the light source of the various illuminator bar patterns simulated in order to testing light source analog board.
As shown in Fig. 5 (a), for the structural representation of the test of light source system that the embodiment of the present invention provides, this test macro not only comprises the light source simulating device 20 involved by above-described embodiment, also comprise: proving installation 51, for testing the current optical parametric of the optical analog plate after lighting, and record.
Preferably, although light source analog board 21 simulates the illuminator bar pattern that formed compared to the entity products of the light source produced closer to mentality of designing, but, due to the process errors that processor 22 is intrinsic, there is some difference for the illuminator bar pattern causing simulation to be formed and required illuminator bar pattern, in order to reduce or avoid the existence of this difference, as shown in Fig. 5 (b), the present invention adds additional means for correcting 52 in a test system, wherein, means for correcting 52, for when the analog modulation bar pattern determined shown by the light source analog board 21 after lighting and required illuminator bar pattern there are differences, control processor 22 adjusts lamp bar pattern that light source analog board 21 simulates till consistent with required illuminator bar pattern.
Preferably, as shown in Fig. 5 (c), means for correcting 52 specifically comprises image grabber 521, image processor 522 and sender unit 523; Wherein, image grabber 521, for obtaining the image parameter of the analog modulation bar pattern shown by the light source analog board 21 after lighting; Image processor 522, the image parameter for the image parameter that image grabber 522 got and required illuminator bar pattern compares, and determines the difference that both exist; Sender unit 523, for being sent to processor 22 by the difference determined.
In addition, test macro of the present invention can also be further used for testing optical enhancement rete.
The scheme provided by above-described embodiment is known, and this test macro not only can realize the simulation to various illuminator bar pattern, can also test the light source that simulation is formed, thus, decrease the problem of complex operation during testing light source.And, do not need the entity products of various types of light sources to be tested to produce, avoid producing the bad and error caused, and the complex operation that during test, replacing light source causes.The most key, owing to being intended by light source simulation template die, therefore, simulate the light source of formation closer to required light source, thus, improve accuracy during test.
Belong to same inventive concept with above-mentioned test of light source system, the embodiment of the present invention additionally provides a kind of method of above-mentioned test of light source system testing light source, below illustrates.
As shown in Fig. 6 (a), the schematic flow sheet of the method for testing of a kind of light source provided for the embodiment of the present invention, the method mainly comprises the following steps:
Step 61: processor, according to required illuminator bar pattern, controls luminescence unit corresponding in light source analog board luminous, strong to demonstrate required lamp bar pattern issued light.
Step 62: the optical parametric of the light source analog board after lighting tested by proving installation.
Preferably, as shown in Fig. 6 (b), before execution step 62, can also perform:
Step 63: means for correcting is when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, the lamp bar pattern that control processor adjustment light source simulation template die is intended, till consistent with required illuminator bar pattern.
Preferably, in the process performing step 63, can specifically reference carry out with under type: means for correcting obtains the image parameter of the analog modulation bar pattern shown by light source analog board after lighting, the image parameter of the image parameter got and required illuminator bar pattern is compared, determine the difference that both exist, the difference determined is sent to the processor in light source simulator, with the lamp bar pattern that control processor adjustment light source simulation template die is intended, till consistent with required illuminator bar pattern.
Below by concrete test case as shown in Figure 7, above-mentioned method of testing is described.
Step 71: processor receives each design parameter of illuminator bar pattern one.
Step 72: processor, according to each design parameter, generates the control signal of each luminescence unit in corresponding light source analog board.
Step 73: each control signal is sent to and controls light source analog board by processor, controls corresponding luminescence unit luminous, strong to demonstrate required lamp bar pattern issued light.
Step 74: means for correcting obtains the image parameter of the analog modulation bar pattern shown by light source analog board after lighting, and the image parameter of the image parameter got and required illuminator bar pattern is compared, if both there are differences, then performs step 76; Otherwise, perform step 75.
Step 75: the optical parametric of the light source analog board after lighting tested by proving installation.
Step 76: the difference determined is sent to the processor in light source simulator, the lamp bar pattern intended with control processor adjustment light source simulation template die, and jump to step 73.
In testing scheme of the present invention, this test macro is by the control of processor to light source analog board, achieve the simulation to various illuminator bar pattern, will not produce the entity products of each light source to be tested, avoid producing the bad and error caused, and the complex operation that during test, replacing light source causes.Owing to being intended by light source simulation template die, therefore, simulate the light source of formation closer to required light source, thus, improve accuracy during test.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a light source simulating device, is characterized in that, comprising: light source analog board and processor;
Wherein, described light source analog board comprises multiple luminescence unit, and described multiple luminescence unit is matrix form close-packed arrays;
Described processor is electrically connected with each luminescence unit in described light source analog board, for lighting corresponding luminescence unit according to required illuminator bar pattern, strong to demonstrate required illuminator bar pattern issued light.
2. device as claimed in claim 1, is characterized in that, each described luminescence unit is LED or is OLED pixel cell.
3. device as claimed in claim 2, it is characterized in that, described light source analog board also comprises: be arranged on the optical enhancement rete in the light-emitting area of described multiple luminescence unit.
4. the device as described in as arbitrary in claim 1-3, it is characterized in that, described device is for simulating backlight.
5. a test of light source system, is characterized in that, comprises the light source simulating device described in any one of claim 1-4, also comprises:
Proving installation, for testing the current optical parametric of the optical analog plate after lighting.
6. system as claimed in claim 5, is characterized in that, also comprise:
Means for correcting, for when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control described processor and adjust lamp bar pattern that described light source simulation template die intends till consistent with required illuminator bar pattern.
7. system as claimed in claim 6, it is characterized in that, described means for correcting, specifically comprises image grabber, image processor, and sender unit;
Wherein, described image grabber, for obtaining the image parameter of the analog modulation bar pattern shown by the light source analog board after lighting;
Described image processor, the image parameter for the image parameter that image grabber got and required illuminator bar pattern compares, and determines the difference that both exist;
Described sender unit, for being sent to the processor in light source simulator by the difference determined.
8. utilize a method for the test of light source system testing light source described in any one of claim 5-7, it is characterized in that, comprising:
Processor, according to required illuminator bar pattern, controls luminescence unit corresponding in light source analog board luminous, strong to demonstrate required lamp bar pattern issued light;
The optical parametric of the light source analog board after lighting tested by proving installation.
9. method as claimed in claim 8, is characterized in that, before the optical parametric of the light source analog board after proving installation test is lighted, described method also comprises:
Means for correcting is when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern.
10. method as claimed in claim 9, it is characterized in that, means for correcting is when the analog modulation bar pattern determined shown by the light source analog board after lighting and required illuminator bar pattern there are differences, control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern, specifically comprise:
Described means for correcting obtains the image parameter of the analog modulation bar pattern shown by light source analog board after lighting, the image parameter of the image parameter got and required illuminator bar pattern is compared, determine the difference that both exist, the difference determined is sent to the processor in light source simulator, to control the lamp bar pattern that described processor adjusts described light source simulation template die plan, till consistent with required illuminator bar pattern.
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| CN107323262A (en) * | 2016-04-29 | 2017-11-07 | 大陆汽车电子(芜湖)有限公司 | Improve the method that physical alert lamp shows difference with liquid crystal display alarm lamp |
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