CN102034847B - Self-luminous flat-panel display and alignment system for assembling same - Google Patents
Self-luminous flat-panel display and alignment system for assembling same Download PDFInfo
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- CN102034847B CN102034847B CN200910178082.8A CN200910178082A CN102034847B CN 102034847 B CN102034847 B CN 102034847B CN 200910178082 A CN200910178082 A CN 200910178082A CN 102034847 B CN102034847 B CN 102034847B
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Abstract
The invention discloses a self-luminous flat-panel display and an alignment system for assembling the same. The self-luminous flat-panel display comprises a first base plate and a second base plate which are needed to be mutually aligned, wherein the first base plate is provided with a first mark implemented by a self-luminous element, and the second base plate is provided with a second mark at the corresponding position; and the first base plate can be aligned with the second base plate due to the alignment between the first mark and the second mark. The first mark can give out light, so that an external light source is not needed to be used by the alignment system, the problems of cost and calibration caused by using the external light source can be solved, and the alignment accuracy is improved.
Description
Technical field
The invention discloses a kind of assembling of self-luminous flat-panel screens, clearer and more definite, particularly assemble alignment system and utilize this kind of system to carry out the self-luminous flat-panel screens of contraposition about a kind of self-luminous flat-panel screens.
Background technology
In such as Organic Light Emitting Diode (Organic Light Emitting Diode; OLED), in the processing procedure of the flat-panel screens such as display, the contraposition between substrate is a kind of for the exigent program of accuracy.Taking the processing procedure of OLED display as example, the alignment system of present be with for liquid crystal display (LiquidCrystal Display; LCD) alignment system is identical.
Fig. 1 shows the schematic diagram of a kind of prior art for the alignment system 100 of the flat-panel screens of assembling.As shown in the figure, in alignment system 100, be the contraposition program of carrying out in an assembly chamber 110 between first substrate 122 and the second substrate 124 of OLED display 120.Conventionally this first substrate 122 is a glass substrate, is provided with OLED array 131 above.This second substrate 124 is generally a colored filter.This first substrate 122 and second substrate 124 are to coincide and with fluid sealant 126 seal perimeter gaps.
In this OLED display 120, with respect to the ad-hoc location of the surface of this second substrate 124 (that is on first substrate 122 shown in figure surface), one first mark 145 to be set at first substrate 122, and at second substrate 124 with respect to corresponding opposite disposed one second mark 157 in the surface of this first substrate 122 (that is under second substrate 124 shown in figure surface).This first mark 145 is normally made up of lighttight material with this second mark 157, for example metal.The first mark 145 can be made as for example cross, and the second mark 157 is made as has rectangular aperture, and the area of this rectangular aperture can hold the first mark 145.By contraposition this first mark 145 and this second mark 157, to reach the object of contraposition first substrate 122 and second substrate 124.
In system 100, an external light source 160 must be set.As shown in the figure, this external light source is generally positioned at this alignment system 100 by second substrate 124 those sides, that is on shown in figure.This external light source 160 emits beam and projects through second substrate 124 and first substrate 122 through assembly chamber 110.For light can be passed through, the path that this assembly chamber 110 at least advances at light is necessary for printing opacity, for example, can glass be set part.Be provided with an optical pickocff 170 in the corresponding position of first substrate 122 these sides, as charge coupled cell (Charge Coupled Device; CCD) equipment, is provided with a microscope 174 above, takes in optical pickocff 170 in order to the image that external light source projection is caused.Because this first substrate 122 is printing opacity with this second substrate 124, and this first mark 145 and the second mark 157 are the light tight light that can shelter from, and therefore can observe easily the image of the first mark 145 and the second mark 157.Contraposition between this first mark 145 and the second mark 157 can be referring to Fig. 2.
Fig. 2 shows according to the schematic diagram of the mark contraposition of prior art.In figure, reference symbol 178 represents the imaging window 178 of optical pickocff 170.In this imaging window 178, can be observed and be criss-cross the first mark 145 and intactly appear in the rectangular aperture 157a of the second mark 157, represent good apposition.If the first mark 145 fails, in the complete rectangular aperture 157a that appears at the second mark 157, to represent that contraposition is bad, now first substrate 122 need to be adjusted with the relative position of second substrate 124.
This kind of mode has shortcoming.First, the system 100 of prior art must be used external light source 160.Because light source is from outside assembly chamber 110, the path of light can be subject to assembly chamber 110, first substrate 122 and second substrate 124 to be affected, and make optical pickocff 170 cannot detect the first correct mark 145 and the figure of the second mark 157, and then affect the accuracy of contraposition between the first mark 145 and the second mark 157.Again, the angle between external light source 160 and optical pickocff 170 must often be calibrated to maintain the accuracy of contraposition.In addition, the accuracy of contraposition can be subject to the first mark 145 of setting and the impact of the reflectivity of the second mark 157 on first substrate 122 and second substrate 124.Therefore,, in the assembling of self-luminous flat-panel screens, need to there is more reliably and not need the alignment mode of frequent calibration.
Therefore need a kind of method to solve the problem of above-mentioned noise effect sensing signal.
Summary of the invention
For addressing the above problem, while the object of the present invention is to provide a kind of assembling, be beneficial to the self-luminous flat-panel screens of contraposition between substrate, and be provided for assembling the alignment system of this kind of self-luminous flat-panel screens.
For achieving the above object, the present invention adopts following technical scheme: a kind of self-luminous flat-panel screens comprises a first substrate; One self-emission device array, comprises several the first self-emission devices, and is arranged on one of this first substrate surface; One first mark, comprises one second self-emission device, is arranged at this surperficial ad-hoc location of first substrate; One second substrate, overlapped in this first substrate; And one second mark, be provided in second substrate on one of this surface that should first substrate surface, this the second mark system is arranged at this surface of this second substrate corresponding to the position of this first mark, and this second mark has an opening, and the area of this opening and shape can be held this first mark.
For achieving the above object, the present invention also adopts following technical scheme: a kind of alignment system of self-luminous flat-panel screens comprises an assembly chamber, for first substrate and the second substrate of assembling this self-luminous flat-panel screens of contraposition; One optical pickocff, be arranged at that side of second substrate that is positioned at close this self-luminous flat-panel screens outside this assembly chamber, the light sending for the first mark of this self-luminous flat-panel screens setting of sensing, through the opening of the second mark of this self-luminous flat-panel screens setting, by this optical pickocff sensing, this optical pickocff is also converted to signal by the light sensing to the spectrum that this first mark sends; And a processor, the signal transmitting for receiving this optical pickocff, judges the contraposition situation of first substrate and the second substrate of this self-luminous flat-panel screens according to this signal.
Compared with prior art, because the first mark of the present invention is to implement with self-emission device, can be made on this first substrate with same program with self-emission device array set on first substrate, do not need independent additional programs of making the first mark simultaneously.In addition, because the first mark itself can be luminous, therefore alignment system does not need to utilize external light source, can economize except the cost and the calibration problem that use external light source to cause, and improve contraposition accuracy.
Below in conjunction with accompanying drawing and embodiment, the present invention is described further.
Brief description of the drawings
Fig. 1 shows the schematic diagram of a kind of prior art for the alignment system of the flat-panel screens of assembling.
Fig. 2 shows according to the schematic diagram of the mark contraposition of prior art.
Fig. 3 is the schematic diagram showing according to the flat-panel screens assembling alignment system of the embodiment of the present invention.
Fig. 4 A and Fig. 4 B show respectively according to the good apposition of its mark contraposition of the system of the embodiment of the present invention shown in Fig. 3 and contraposition unfavorable condition.
Fig. 5 is the schematic diagram that shows a kind of kenel that is different from above-described embodiment of the first mark according to the present invention and the second mark.
Fig. 6 is the schematic diagram that shows the another kind of kenel of the first mark according to the present invention and the second mark.
Fig. 7 is the schematic diagram that shows another kenel of the first mark according to the present invention and the second mark.
Fig. 8 is the luminous intensity chart that shows the different contraposition offset errors of flat-panel screens assembling alignment system according to the present invention.
Fig. 9 is the brightness chart that shows the different contraposition offset errors of flat-panel screens assembling alignment system according to the present invention.
Figure 10 shows an electronic installation, and it comprises the self-luminous flat-panel screens according to the present invention.
Embodiment
Relevant detailed description of the present invention and technology contents, existing as follows with regard to accompanying drawings.The explanation of following examples is with reference to additional diagram, can be used for for illustrating the present invention the specific embodiment of implementing.
Fig. 3 is the schematic diagram showing according to the flat-panel screens assembling alignment system 300 of the embodiment of the present invention.According to the present embodiment, assembling alignment system 300 comprises an assembly chamber 310, assembles the program of flat-panel screens 320 in assembly chamber 310.The flat-panel screens 320 of assembling in assembly chamber 310 is a self-luminous flat-panel screens, for example, be OLED display, or the self-luminous flat-panel screens of other type, similarly is electric slurry display panel (Plasma Display Panel; Or surface conductive electron emitting-type display (Surface-Conduction Electron Emitter Display PDP); SED) etc.Below taking OLED display as example explanation.
The OLED display 320 of assembling has first substrate 322, and this first substrate 322 can be glass substrate, plastic base, silicon wafer substrate, thin-film transistor (Thin Film Transistor; TFT) substrate.On first substrate 322, be provided with self-emission device array (for example OLED array) 331, comprise several self-emission devices (as OLED).OLED display also has second substrate 324, and second substrate 324 can be glass substrate, plastic base, silicon wafer substrate or colored filter substrate.First substrate 322 is overlapped for aliging with second substrate 324, and peripheral gap is sealed with fluid sealant 326.Be convenient to contraposition for making first substrate 322 and second substrate 324, be, on the surface (that is upper surface of first substrate 322 shown in figure) in the face of second substrate 324 of first substrate 322, one first mark 333 is set, and on the surface (that is lower surface of second substrate 324 shown in figure) in the face of first substrate 322 of second substrate 324, one second mark 357 be set.
According to the present embodiment, the first mark 333 is an OLED (that is a self-emission device), arrange for separating independently in position with OLED array 331, and provide can drive and control the circuit (not shown) of the first mark 333, to can drive separately and control the first mark 333.Due to the element that each OLED and first mark 333 of OLED array 331 are same type, can in identical processing procedure, make together, do not need extra processing procedure to make this first mark 333.In the present embodiment, each OLED of this OLED array 331 and this OLED mark 333 are upper illuminating OLEDs of manufacturing with same process.In addition, the area of the first mark mark 333 of this implementation column is for example 9 to 25 μ m
2.
As previously mentioned, be provided with the second mark 357 in second substrate 324.The second mark 357 has the position of an opening 357a corresponding to the first mark 333, and the shape of opening 357a should be suitable for holding the first mark 333 and its area should be large enough to hold the first mark 333.For example, when the first mark 322 and the second marked openings 357a are that shape is while conforming to, if the area of the first mark 333 on first substrate 322 is 9 μ m
2, the aperture area of the second mark 357 on first substrate 324 can be at 12.25～25 μ m
2scope in.The material of the second mark 357 is the even lighttight material of optional low light transmission preferably, can utilize metal, black mask (Black Mask; The making such as BM).If when second substrate 324 is glass substrate, can utilize sandblasts makes the light transmittance of second substrate regional area reduce to form the second mark 357, the opening part of this second mark 357 is the reservation processing of not sandblasted, become through the region of processing of sandblasting the glass that sandblasts, its light transmittance is preferably 0～40%.
While carrying out contraposition, drive the first mark 333 to make its self-emission device conducting luminous.The light that the first mark 333 is launched is to penetrate through second substrate 324 via the opening 357a of the second mark 357, and is received by the optical pickocff 370 of appropriate location of the second substrate side that assembly chamber 310 is set.Optical pickocff 370 is for example to implement with charge coupled cell (CCD) or complementary metal-oxide-semiconductor transistor (CMOS) equipment, has an optical element (as lens) 374 so that receive light.Optical pickocff 370 transfers the image receiving to signal and is passed to a processor 380 and analyzes.By the relativeness of opening 357a of analyzing the first mark 333 and the second mark 357, can know whether good apposition of first substrate 332 and second substrate 334.The path of the light that assembly chamber 310 launches in the first mark 333 part of passing through should be printing opacity, for example, can glass be set in appropriate location.
Fig. 4 A and Fig. 4 B are good apposition and the contraposition unfavorable conditions showing respectively according to system 300 its mark contrapositions of the embodiment of the present invention shown in Fig. 3.In the present embodiment, the first mark 333 is upwards luminous OLED of square, and the opening 357a of the second mark 357 is the square openings that area conforms to the first mark 333.
As shown in Figure 4 A, for filling up the opening 357a of the second mark 357 completely, under this situation, can judge first substrate 322 and second substrate 324 good appositions in viewed first mark 333 of imaging window 376 of optical pickocff 370.
As shown in Figure 4 B, viewed the first mark 333 of imaging window 376 in optical pickocff 370 is the left side that only appears at the opening of the second mark 357, and the first mark 333 occurs that at the second mark 357 opening 357a the area of part only accounts for aperture area less than half, obviously there is the situation of contraposition skew, can judge that first substrate 322 and second substrate 324 contrapositions are bad.Generally speaking, contraposition skew is considered as accepting lower than 30%, if contraposition skew exceedes 30%, represents that contraposition is bad.That is the contraposition between the first mark and the second mark is offset in the scope that should drop on 0～30%.In other words, the first mark 333 occurs that at the second mark 357 opening 357a the area of part should account for 70%～100% of aperture area.
Preferably, if the first mark conforms to the shape area of the second marked openings, the first mark that naked eyes are observed in the second marked openings should account for more than 95% being advisable of aperture area.
The first mark (that is self-luminous sign) that is arranged on first substrate and the opening of the second mark that is arranged on second substrate, can have various different kenels.In above-described embodiment, the shape of the first mark 333 all conforms to area with the shape of the opening 357a of the second mark 357 with size.
Fig. 5 is the schematic diagram that shows a kind of kenel that is different from above-described embodiment of the first mark according to the present invention and the second mark.As shown in the figure, the opening 557a of the first mark 533 and the second mark 557 can be same shape, but the area of the opening 557a of the second mark 557 is a bit larger tham the area of the first mark 533.In this example, the self-emission device (as OLED) that the first mark 533 is circle, the opening 557a of the second mark 557 is the circle that area is a bit larger tham the first mark.Should notice that the size shown in figure is only for illustrating, not actual ratio in implementation.
Fig. 6 is the schematic diagram that shows the another kind of kenel of the first mark according to the present invention and the second mark.As shown in the figure, in this example, the opening 657a of the first mark 633 and the second mark 657 can be difformity, and the area of the opening 657a of the second mark 657 is for enough greatly can completely hold the first mark 633.The self-emission device that the first mark 633 is circle, the opening 657a of the second mark 657 is for holding the rectangular aperture of the first mark 633.
Fig. 7 is the schematic diagram that shows another kenel of the first mark according to the present invention and the second mark.As shown in the figure, the opening 757a of the first mark 733 and the second mark 757 is also difformity, and the area of the opening 757a of the second mark 757 is for enough greatly can completely hold the first mark 733.In this example, the first mark 733 is the self-emission device of special shape (cross arrow shape as shown in the figure), and the opening 757a of the second mark 757 is the rectangular aperture that area can hold the first mark 733.
Please, again referring to Fig. 3, as previously mentioned, in the present invention's system 300, optical pickocff 370 transfers the mark contraposition image of observing to signal, delivers to processor 380 and analyzes.Processor 380 can utilize the whole bag of tricks to judge whether good apposition of the first mark 333 and the second mark 357, for example, can utilize luminous intensity detection method, brightness detection method, chromaticity coordinates method, spectra methods or any other suitable method.
Fig. 8 is the luminous intensity chart that shows the different contraposition offset errors of flat-panel screens assembling alignment system according to the present invention.In figure, abscissa represents the wavelength of the light that the first mark (being self-luminous sign) sends, ordinate shows the luminous intensity that can capture through the window of the second mark, the luminous intensity being received according to optical pickocff 370 by processor 380 judges whether good apposition, wherein the first curve represents that contraposition skew is 0% situation, the second curve represents that contraposition skew is 5% situation, and the two situation is all good apposition.The 3rd curve represents that contraposition skew is 50%, and higher than the aforesaid upper limit 30%, this is the bad situation of contraposition.The situation that the first Curves represents is that processor 380 judges that the luminous intensity of the first received mark of optical pickocff 370 is 100%.The situation that the second Curves represents be the luminous intensity of the first mark of capturing from the second mark window be the first Curves representative situation 95%, therefore its skew is 5%.In like manner, the situation that the 3rd Curves represents be the luminous intensity of the first mark of capturing from the second mark window be the first Curves representative situation 50%, therefore its skew is 50%.
Fig. 9 is the brightness chart that shows the different contraposition offset errors of flat-panel screens assembling alignment system according to the present invention.In figure, abscissa represents the current density of the first mark (being self-luminous sign), ordinate shows the luminosity of first mark that can capture through the window of the second mark, by processor 380 according to the brightness of the received light of optical pickocff 370 to judge whether good apposition, wherein the first straight line represents that contraposition skew is 0% situation, the second straight line represents that contraposition skew is 5% situation, and the two situation is all good apposition.The 3rd straight line represents that contraposition skew is 50%, and higher than the aforesaid upper limit 30%, this is the bad situation of contraposition.The represented situation of the first straight line is that processor 380 judges that the brightness of the first received mark of optical pickocff 370 is 100%.The represented situation of the second straight line be the luminosity of the first mark of capturing from the second mark window be the first straight line representative situation 95%, therefore its skew is 5%.In like manner, the represented situation of the 3rd straight line be the luminosity of the first mark of capturing from the second mark window be the first straight line representative situation 50%, therefore its skew is 50%.According to the present invention, the first mark is to be embodied as self-emission device, can be made on this first substrate with same program with self-emission device array set on first substrate simultaneously, can exempt independent additional programs of making the first mark in prior art.In addition, because the first mark itself can be luminous, therefore alignment system does not need to utilize external light source, can economize except the cost and the calibration problem that use external light source to cause, because opticpath is simple compared to prior art, can improve contraposition accuracy.
Figure 10 shows an electronic installation 900, and it comprises the self-luminous flat-panel screens 920 according to the present invention.This electronic installation 900 also has a power supply unit 940, and power supply unit 940 is to couple to supply power to self-luminous flat-panel screens 920 with this self-luminous flat-panel screens 920.Described electronic installation 900 can be display on mobile phone, digital camera, personal digital assistant, mobile computer, desktop PC, TV, satellite navigation, car, aviation display or portable digital video disk (Digital Video Disc, DVD) projector etc.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing various changes and retouching, therefore protection scope of the present invention is when being as the criterion depending on the appended claim person of defining.
Claims (13)
1. for assembling an alignment system for self-luminous flat-panel screens, it is characterized in that: comprise:
One self-luminous flat-panel screens, comprises:
One first substrate;
One self-emission device array, comprises several the first self-emission devices, is to be arranged on one of this first substrate surface;
One first mark, comprises one second self-emission device, is arranged on this surface of this first substrate;
One second substrate, overlapped on this first substrate; And
One second mark, is provided in second substrate with respect to the upper position corresponding to this first mark, surface, one of this surface of this first substrate, and this second mark has an opening, and the area of this opening and shape can be held this first mark;
One assembly chamber, for first substrate and the second substrate of assembling this self-luminous flat-panel screens of contraposition;
One optical pickocff, be arranged at that side of second substrate that is positioned at close this self-luminous flat-panel screens outside this assembly chamber, the light sending for the first mark of this self-luminous flat-panel screens setting of sensing, the opening of the second mark that this self-luminous flat-panel screens that what this first mark sent only see through arranges and by this optical pickocff sensing, this optical pickocff is also converted to signal by the light sensing; And
One processor, the signal transmitting for receiving this optical pickocff, judges the contraposition situation of first substrate and the second substrate of this self-luminous flat-panel screens according to this signal.
2. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this first mark is to be separated from each other with this self-emission device array.
3. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: the second self-emission device of this first mark is independent driving and control.
4. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: the second self-emission device of this first mark is and each first self-emission device of this self-emission device array self-emission device that is same type.
5. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this self-luminous flat-panel screens is the one in the group that is selected from organic light emitting diode display, electric slurry display panel and surface conductive electron emitting-type display and forms.
6. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this second mark is to be made up of lighttight material.
7. as claimed in claim 6 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this second mark is to be made up of metal or black mask.
8. as claimed in claim 6 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this second substrate is glass substrate, this second mark is to make the light transmittance of this second substrate regional area reduce to become the glass that sandblasts and form this second mark by sandblasting, and the opening part of this second mark is to retain and the processing of not sandblasted.
9. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: the area of the opening of this second mark is not less than the area of this first mark.
10. as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: the shape of the opening of this second mark conforms to from the shape of this first mark or be different.
11. is as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this processor is that the luminous intensity or the brightness that see through the light that this first mark that opening was sensed of the second mark of this self-luminous flat-panel screens setting sent with this optical pickocff judge contraposition situation.
12. is as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: this first mark of this self-luminous flat-panel screens of the signal determining that this processor transmits according to this optical pickocff and the offset error of the second mark are to judge the contraposition situation of first substrate and second substrate of this self-luminous flat-panel screens.
13. is as claimed in claim 1 for assembling the alignment system of self-luminous flat-panel screens, it is characterized in that: when this first mark of this self-luminous flat-panel screens and the offset error of the second mark reach 30%, this processor judge the first substrate of this self-luminous flat-panel screens and second substrate contraposition bad.
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| CN103943651B (en) * | 2013-08-29 | 2017-09-12 | 上海天马微电子有限公司 | OLED display device and corresponding flexible circuit board |
| CN106992166A (en) * | 2016-11-11 | 2017-07-28 | 福州京东方光电科技有限公司 | A kind of array base palte and preparation method thereof, display device |
| CN106909255A (en) * | 2017-04-25 | 2017-06-30 | 信利半导体有限公司 | A kind of applying method of display module |
| CN112164334B (en) * | 2020-10-27 | 2022-08-26 | 湖北长江新型显示产业创新中心有限公司 | Display panel, display device and preparation method of display panel |
| TWI770980B (en) * | 2021-05-03 | 2022-07-11 | 友達光電股份有限公司 | Display device with optical clear adhesion |
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| CN1967335A (en) * | 2005-11-15 | 2007-05-23 | 株式会社半导体能源研究所 | Display device |
| CN101097302A (en) * | 2006-06-30 | 2008-01-02 | Lg.菲利浦Lcd株式会社 | Flexible display and method for forming alignment key of the same |
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| US6812477B2 (en) * | 2002-12-04 | 2004-11-02 | Texas Instruments Incorporated | Integrated circuit identification |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967335A (en) * | 2005-11-15 | 2007-05-23 | 株式会社半导体能源研究所 | Display device |
| CN101097302A (en) * | 2006-06-30 | 2008-01-02 | Lg.菲利浦Lcd株式会社 | Flexible display and method for forming alignment key of the same |
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Owner name: QIMEI ELECTRONIC CO LTD Free format text: FORMER OWNER: TONGBAO OPTOELECTRONICS CO., LTD. Effective date: 20110913 |
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Effective date of registration: 20110913 Address after: China Taiwan Hsinchu science and Technology Industrial Park, Miaoli County Applicant after: Chimei Optoelectronics Co., Ltd. Address before: China Taiwan Miaoli County Hsinchu Science Industrial Park, South Town, No. 12 Middle Road Applicant before: Tongbao Optoelectronics Co., Ltd. |
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Address after: Hsinchu Science Park, Taiwan, China Applicant after: Innolux Display Group Address before: China Taiwan Hsinchu science and Technology Industrial Park, Miaoli County Applicant before: Chimei Optoelectronics Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: QIMEI ELECTRONIC CO LTD TO: INNOLUX DISPLAY CORPORATION |
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