CN101923238A - Method for manufacturing liquid crystal display device - Google Patents
Method for manufacturing liquid crystal display device Download PDFInfo
- Publication number
- CN101923238A CN101923238A CN2009101479652A CN200910147965A CN101923238A CN 101923238 A CN101923238 A CN 101923238A CN 2009101479652 A CN2009101479652 A CN 2009101479652A CN 200910147965 A CN200910147965 A CN 200910147965A CN 101923238 A CN101923238 A CN 101923238A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- polaroid
- crystal panel
- manufacture method
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The invention provides a method for manufacturing a liquid crystal display device. The method comprises the following steps of: firstly, providing a liquid crystal panel, the surface of which is provided with a first polarizer; secondly, placing a second polarizer on one side of the other surface of the liquid crystal panel; and thirdly, measuring light intensity of rays penetrating the second polarizer and the liquid crystal panel by an optical sensor, and relatively turning the second polarizer and the liquid crystal panel to measure a relative angle between the second polarizer and the liquid crystal panel when the light intensity reaches a specific value.
Description
Technical field
The invention relates to a kind of manufacture method of liquid crystal indicator, refer to a kind of manufacture method that makes the contrast of LCD degree reach optimized liquid crystal indicator especially.
Background technology
Recently, because LCD has that external form is frivolous, power consumption is few and advantage such as radiationless pollution, therefore be widely used on the electronic product miscellaneous, for example portable type such as notebook computer, PDA(Personal Digital Assistant) information product.The correlative value of LCD except with liquid crystal kenel and panel inner structure tool relevance, also confidential relation is arranged with the characteristic of the polaroid in the liquid crystal panel outside and the attaching processing procedure of polaroid.
The present attaching device of polaroid is mainly divided into GENERAL TYPE and is pasted machine (stage to roller) partially and paste two kinds in machine (roller to roller) partially with roller type.Please refer to Fig. 1 and Fig. 2, Fig. 1 is the known GENERAL TYPE method synoptic diagram of subsides machine attaching polaroid partially that utilizes, and Fig. 2 is the known roller type method synoptic diagram of subsides machine attaching polaroid partially that utilizes.As shown in Figure 1, utilize GENERAL TYPE partially the subsides machine attach the practice of polaroid for polaroid 10 is placed on the polaroid microscope carrier 12, again liquid crystal panel 14 is fixed in the bottom of panel microscope carrier 16, movable panel microscope carrier 16 is to the top of polaroid microscope carrier 12 then, promote again and inclination polaroid microscope carrier 12, and utilize a roller 18 that polaroid 10 is attached on the liquid crystal panel 14.As shown in Figure 2, paste machine partially compared to GENERAL TYPE, the practice of utilizing roller type to paste machine partially is that liquid crystal panel 14 is placed on the roller microscope carrier 20, and, utilize support roller 22 to push down the attaching that liquid crystal panel 14 carries out polaroid 10 again along with the roller rolling of roller microscope carrier 20 moves to sticking position with liquid crystal panel 14.
Above-mentioned two kinds of known methods are that polaroid 10 is aimed at the edge of liquid crystal panel 14 when attaching, but do not proofread and correct, thereby when attaching polaroid 10, produce the skew of penetrating shaft easily at the penetrating shaft of polaroid 10 penetrating shaft that has been attached at another polaroid on the liquid crystal panel 14 (figure does not show) of whether arranging in pairs or groups.And in the manufacturing process of polaroid, the penetrating shaft between every polaroid and the relative angle of its outward appearance also can be variant, so when polaroid attaches, only consider that the outward appearance of polaroid and liquid crystal panel carries out contraposition, and not the otherness of the relative angle of the penetrating shaft of two polaroids is not taken into account, with causing the optical characteristics between the liquid crystal panel of producing to produce bigger difference, not only influence outside dark attitude briliancy and the correlative value, more may influence gamma (gamma) value and wait other optical characteristics.
Therefore, the angle of polaroid penetrating shaft is write down in the known technology utilization, improves the difference of optical characteristics between liquid crystal panel.Please refer to Fig. 3, Fig. 3 is the attaching method process flow diagram of known polaroid.As shown in Figure 3, at first, carry out step 30, measure the penetrating shaft direction of first polaroid and second polaroid.Afterwards, carry out step 32, first polaroid is attached at a side of liquid crystal panel.Carry out step 34 again, the counter-rotating liquid crystal panel.Then, carry out step 36,, second polaroid is attached at the opposite side of liquid crystal panel, make the penetrating shaft direction of first polaroid and second polaroid orthogonal according to first polaroid that measures and the penetrating shaft direction of second polaroid.
Though the mutually perpendicular method of penetrating shaft direction of first polaroid and second polaroid allows liquid crystal panel be had more stable dark attitude, but because liquid crystal molecule has optical activity in the liquid crystal panel, and make the Polarizer and the accurately contraposition of orientation angle of liquid crystal panel because of the error of processing procedure again, therefore the light polarized light that has part in the process by liquid crystal panel can't be eliminated, make these polarized lights can penetrate polaroid with linear polarization, light produces and cause the liquid crystal indicator that should be dark attitude originally to have slightly, allow liquid crystal indicator can't have real dark attitude, relatively, the contrast of LCD degree also thereby reduce.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of liquid crystal indicator, have the problem of light penetration slightly when the dark attitude to improve the foregoing liquid crystal panel, and promote the contrast of LCD degree.
According to claim of the present invention, the present invention provides a kind of manufacture method of liquid crystal indicator.At first, provide a liquid crystal panel, wherein this liquid crystal panel has a first surface and a second surface.Then, provide one first polaroid, and this first polaroid is attached on this first surface of this liquid crystal panel.Then, provide one second polaroid, again this second polaroid is arranged at a side of this second surface of this liquid crystal panel, and make this second polaroid parallel with this second surface with reference planes with this first surface of this liquid crystal panel.Afterwards, provide a light source, and make the light of this light source generation pass this second polaroid and this liquid crystal panel, and a light intensity of utilizing optical sensor detecting to pass the light of this second polaroid and this liquid crystal panel.Then, this second polaroid is done relative rotation with this liquid crystal panel on these reference planes, make between this second polaroid and this liquid crystal panel to produce a relative angle, and measure this light intensity that detects when this optical sensor this relative angle between this second polaroid and this liquid crystal panel when reaching a particular value.
The present invention is by measuring the relative angle between second polaroid and liquid crystal panel when light intensity that optical sensor detects reaches minimum value or maximal value earlier, carry out the attaching of second polaroid again, make the dark attitude or the bright attitude of whole liquid crystal panel reach optimization, and then promote the contrast of LCD degree.
Description of drawings
Fig. 1 is the known GENERAL TYPE method synoptic diagram of subsides machine attaching polaroid partially that utilizes;
Fig. 2 is the known roller type method synoptic diagram of subsides machine attaching polaroid partially that utilizes;
Fig. 3 is the attaching method process flow diagram of known polaroid;
Fig. 4 is the manufacture method process flow diagram of liquid crystal indicator of the present invention;
Fig. 5 to Figure 10 is the manufacture method synoptic diagram of liquid crystal indicator of the present invention.
[main element symbol description]
10 polaroids, 12 polaroid microscope carriers
14 liquid crystal panels, 16 panel microscope carriers
18 rollers, 20 roller microscope carriers
22 support rollers, 30 steps
32 step 34 steps
36 step 100 steps
102 step 104 steps
106 step 108 steps
110 step 112 steps
114 step 116 steps
118 step 150 liquid crystal panels
152 panel microscope carriers, 154 first surfaces
156 second surfaces, 158 first polaroids
160 polaroid microscope carriers, 162 optical detecting devices
164 rollers, 166 second polaroids
168 reference planes, 170 first holes
172 second holes, 174 light sources
176 relative angles
Embodiment
Please refer to Fig. 4, Fig. 4 is the manufacture method process flow diagram of liquid crystal indicator of the present invention.As shown in Figure 4, a kind of flow process of manufacture method of liquid crystal indicator comprises the following step:
Step 100: a liquid crystal panel is provided, and wherein liquid crystal panel has a first surface and a second surface;
Step 102: one first polaroid is provided, and first polaroid is attached on the first surface of liquid crystal panel;
Step 104: one second polaroid is provided;
Step 106: second polaroid is arranged at a side of the second surface of liquid crystal panel, and makes second polaroid parallel with second surface with reference planes with the first surface of liquid crystal panel;
Step 108: provide a light source, and the light that light source is produced passes second polaroid and the liquid crystal panel with first polaroid;
Step 110: utilize optical sensor detecting to pass a light intensity of second polaroid and the light of liquid crystal panel with first polaroid;
Step 112: second polaroid is done relative rotation with the liquid crystal panel with first polaroid on reference planes, make second polaroid and have to produce a relative angle between the liquid crystal panel of first polaroid, and measure when light intensity that optical sensor detects reaches a particular value second polaroid and have relative angle between the liquid crystal panel of first polaroid;
Step 114: judge when the light intensity that detects in optical sensor reaches particular value the divorce of whether arranging in pairs or groups of second polaroid and liquid crystal panel with first polaroid, the divorce if second polaroid and the liquid crystal panel with first polaroid are not arranged in pairs or groups, then carry out step 116, the divorce if second polaroid and the liquid crystal panel with first polaroid have been arranged in pairs or groups then carry out step 118;
Step 116: according to second polaroid when light intensity reaches particular value and have relative angle between the liquid crystal panel of first polaroid, second polaroid is attached on the second surface of liquid crystal panel with first polaroid;
Step 118: judge second polaroid and liquid crystal panel collocation divorce, and stop the attaching of second polaroid with first polaroid.
In order to be described in more detail the manufacture method of liquid crystal indicator of the present invention, please refer to Fig. 5 to Figure 10, and please in the lump with reference to figure 4.Fig. 5 to Figure 10 is the manufacture method synoptic diagram of liquid crystal indicator of the present invention.As shown in Figure 5, when carrying out step 100, liquid crystal panel 150 is fixed in the bottom of a panel microscope carrier 152 with vacuum slot (figure does not show), wherein the first surface 154 of liquid crystal panel 150 is the opposite sides that are positioned at liquid crystal panel 150 relative panel microscope carriers 152, and the second surface 156 of liquid crystal panel 150 is in the face of panel microscope carrier 152.As shown in Figure 6, when carrying out step 102, first polaroid 158 is arranged at the top of a polaroid microscope carrier 160, mobile again polaroid microscope carrier 160 is to liquid crystal panel 150 belows, edge at first polaroid 158 and liquid crystal panel 150 carries out contraposition then, behind the position of adjusting both, the polaroid microscope carrier 160 that tilts again utilizes a roller 164 that first polaroid 158 is attached on the first surface 154 of liquid crystal panel 150.Thereafter, utilize an inversion apparatus (figure does not show) counter-rotating liquid crystal panel 150, and liquid crystal panel 150 is fixed on the panel microscope carrier 152 again, at this moment, the first surface 154 of liquid crystal panel 150 is the bottoms in the face of panel microscope carrier 152.As shown in Figure 7, when carrying out step 104, second polaroid 166 is arranged on the polaroid microscope carrier 160.As shown in Figure 8, when carrying out step 106, utilize mobile polaroid microscope carrier 160 that second polaroid 166 is arranged at a side of the second surface 156 of liquid crystal panel 150, and make second polaroid 166 parallel with second surface 156 with reference planes 168 with the first surface 154 of liquid crystal panel 150.Wherein, panel microscope carrier 152 has first hole 170 and second hole 172 respectively with the center of polaroid microscope carrier 160, and first hole 170 is corresponding to second hole 172.Therefore, when carrying out step 108, light source 174 is arranged at the below of polaroid microscope carrier 160 and, makes the light of light source 174 pass second polaroid 166 and liquid crystal panel 150 via second hole 172 with first polaroid 158 corresponding to second hole 172.Light source 174 of the present invention is to use helium (He)/neon (Ne) laser of 534nm, but the present invention is not limited to this, and light source 174 also can be white light, has the monochromatic light or the above mixed light of wantonly two wavelength of any single wavelength.In addition, the optical sensor 162 that step 110 provides is to be arranged at the top of panel microscope carrier 152 and corresponding to first hole 170, optical sensor 162 can be detected passed second polaroid 166 and light, in order to measure the light intensity of light with liquid crystal panel 150 of first polaroid 158.What deserves to be explained is that the light source 174 and the not above rheme of relative position of optical sensor 162 are changed to limit, for example light source 174 also can be arranged at a side of panel microscope carrier 152, and optical sensor 162 then can be arranged at a side of polaroid microscope carrier 160.
Please refer to Fig. 9, Fig. 9 be among Fig. 8 along the top view of AA ' line.As shown in Figure 9, in step 112, second polaroid 166 is made counterrotating step with liquid crystal panel 150 on reference planes 168 be for fixing second polaroid 166 earlier, on reference planes 168, rotate liquid crystal panel 150 again, but the present invention is not limited to this, also can first immobile liquid crystal panel 150, rotation second polaroid 166 on reference planes 168 again, and the direction of its rotation can be clockwise direction, counter clockwise direction or both carry out in turn.Because second polaroid 166 carries out the polarization effect with the light that the liquid crystal panel 150 with first polaroid 158 all has penetrating itself, when therefore second polaroid 166 being done relative rotation with liquid crystal panel 150, optical detecting device 162 can measure different light intensities 176 times in different relative angles.Liquid crystal panel 150 of the present invention is that the liquid crystal panel with a normal black pattern (normally black mode) is an example, please refer to Figure 10, and Figure 10 is the graph of a relation of relative angle of the present invention and light intensity.As shown in figure 10, the present invention rotates clockwise with counterclockwise with per 0.1 degree, and the light intensity of each angle is recorded in the system of the present invention (figure does not show), the relation curve that can obtain passing the relative angle 176 of 166 of the light intensity of light of first polaroid 158 of liquid crystal panel 150 and second polaroid 166 and liquid crystal panel 150 and second polaroids is a recess para-curve up, this para-curve has a minimum point or a subdifferential is zero point, is minimum value.In the present invention, the particular value that the light intensity that optical sensor 162 detects reaches i.e. minimum value for this reason, is representing the light amount minimum of passing the liquid crystal panel 150 and second polaroid 166.Therefore, in the corresponding relative angle of minimum value institute 176 times, attach second polaroid 166 and can obtain best dark attitude with liquid crystal panel 150.But the present invention is not limited to be rotated with per 0.1 degree, can adjust the angle of each rotation according to actual demand.It should be noted that, among Figure 10 0 degree represents first polaroid 158 perpendicular to second polaroid 166, but the pairing relative angle 176 of this minimum value is not to be positioned at 0 degree, promptly be shown under first polaroid 158 and second polaroid, the 166 mutually perpendicular situations, and can't obtain best dark attitude, and the present invention reaches minimum value by detected light intensity, makes liquid crystal panel 150 be in best dark attitude, therefore can improve the known problem that can't reach best dark attitude.In addition, liquid crystal panel 150 of the present invention is not limited to normally black pattern, also can be the liquid crystal panel of a normal white mode (normally white mode), and under the situation of normal white mode, in order to reach best bright attitude, particular value is required to be maximal value.It should be noted that, the present invention must be in addition before not attaching first polaroid 158, carry out the measurement of the penetrating shaft of first polaroid 158 earlier, only by before attaching second polaroid 166, measurement has the collocation of the penetrating shaft of the liquid crystal panel 150 of first polaroid 158 and second polaroid 166, make the dark attitude or the bright attitude of whole liquid crystal panel reach optimization, therefore can reduce the step of the penetrating shaft of known measurement first polaroid, more can increase production efficiency.
In addition in step 114, judging whether second polaroid and liquid crystal panel arrange in pairs or groups the standard of divorce can be according to circumstances and different.For example, can utilize the optical detecting device to detect the edge of second polaroid and liquid crystal panel, judge by system whether the edge of second polaroid exceeds the edge of liquid crystal panel again, then judge the collocation divorce if exceed the edge of liquid crystal panel.Perhaps, can utilize the optical detecting device to detect relative angle between second polaroid and liquid crystal panel, if relative angle is greater than a reference value, for example: 2 degree, and the light intensity that optical sensor detects does not reach particular value, also still being judged to be the collocation divorce.Because polaroid can produce actual penetrating shaft and indicate situation about not being inconsistent when making, therefore step 118 is judged second polaroid and liquid crystal panel collocation divorce by system, and send caution sound, and stopping second polaroid attaches, help to decrease in extra repairing required when attaching the generation divorce afterwards of second polaroid, thereby can reduce the cost of consume.
In sum, the manufacture method of liquid crystal indicator provided by the invention is by measuring the relative angle between second polaroid and liquid crystal panel when light intensity that optical sensor detects reaches minimum value or maximal value earlier, carry out the attaching of second polaroid again, reach optimization with dark attitude or the bright attitude that reaches whole liquid crystal panel, make the contrast of LCD degree thereby have optimization.And the present invention provides aposematic mechanism to take place to avoid the wrong step that attaches second polaroid in addition, can reduce the expense of extra repairing, and reduce production costs.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (11)
1. the manufacture method of a liquid crystal indicator is characterized in that, includes:
One liquid crystal panel is provided, and wherein this liquid crystal panel has a first surface and a second surface;
One first polaroid is provided, and this first polaroid is attached on this first surface of this liquid crystal panel;
One second polaroid is provided;
This second polaroid is arranged at a side of this second surface of this liquid crystal panel, and makes this second polaroid parallel with this second surface with reference planes with this first surface of this liquid crystal panel;
Provide a light source, and the light that this light source is produced passes this second polaroid and this liquid crystal panel with this first polaroid;
Utilize optical sensor detecting to pass a light intensity of this second polaroid and the light of this liquid crystal panel with this first polaroid; And
This second polaroid is done relative rotation with this liquid crystal panel with this first polaroid on these reference planes, make this second polaroid and have to produce a relative angle between this liquid crystal panel of this first polaroid, and measure this light intensity that detects when this optical sensor this second polaroid and have this relative angle between this liquid crystal panel of this first polaroid when reaching a particular value.
2. manufacture method as claimed in claim 1 is characterized in that, when this light intensity that detects when this optical sensor reached this particular value, the edge of this second polaroid was the edge that does not exceed this liquid crystal panel.
3. manufacture method as claimed in claim 2, it is characterized in that, also comprise according to this second polaroid when this light intensity reaches this particular value and this relative angle between this liquid crystal panel, this second polaroid is attached on this second surface of this liquid crystal panel.
4. manufacture method as claimed in claim 1 is characterized in that, when this light intensity that detects when this optical sensor reached this particular value, the edge of this second polaroid was the edge that exceeds this liquid crystal panel.
5. manufacture method as claimed in claim 4 is characterized in that, also comprises to judge this second polaroid and this liquid crystal panel collocation divorce.
6. manufacture method as claimed in claim 1 is characterized in that, this second polaroid and this liquid crystal panel is done to include in the counterrotating step on these reference planes fix this liquid crystal panel and rotate this second polaroid.
7. manufacture method as claimed in claim 1 is characterized in that, this second polaroid and this liquid crystal panel is made counterrotating step include and fix this second polaroid and rotate this liquid crystal panel on these reference planes.
8. manufacture method as claimed in claim 1 is characterized in that, this liquid crystal panel is to be the liquid crystal panel of a normal black pattern, and this particular value is to be a minimum value.
9. manufacture method as claimed in claim 1 is characterized in that, this liquid crystal panel is the liquid crystal panel for a normal white mode, and this particular value is to be a maximal value.
10. manufacture method as claimed in claim 1, it is characterized in that, other comprises when this relative angle between this second polaroid and this liquid crystal panel during greater than a reference value, this light intensity that this optical sensor detects does not reach this particular value yet, judges this second polaroid and this liquid crystal panel collocation divorce.
11. manufacture method as claimed in claim 1 is characterized in that, this light source is for a white light, has the monochromatic light of any single wavelength or for having mixed light more than wantonly two wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101479652A CN101923238B (en) | 2009-06-12 | 2009-06-12 | Method for manufacturing liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101479652A CN101923238B (en) | 2009-06-12 | 2009-06-12 | Method for manufacturing liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101923238A true CN101923238A (en) | 2010-12-22 |
| CN101923238B CN101923238B (en) | 2012-05-02 |
Family
ID=43338257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101479652A Expired - Fee Related CN101923238B (en) | 2009-06-12 | 2009-06-12 | Method for manufacturing liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101923238B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898309A (en) * | 2014-03-05 | 2015-09-09 | Lg电子株式会社 | System for attaching film and method for attaching film |
| CN111323945A (en) * | 2020-03-19 | 2020-06-23 | Tcl华星光电技术有限公司 | Polaroid laminating equipment and laminating method thereof |
| CN111530771A (en) * | 2020-05-13 | 2020-08-14 | 深圳市全洲自动化设备有限公司 | Analysis method for rapidly grading colors of STN liquid crystal display |
-
2009
- 2009-06-12 CN CN2009101479652A patent/CN101923238B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898309A (en) * | 2014-03-05 | 2015-09-09 | Lg电子株式会社 | System for attaching film and method for attaching film |
| CN104898309B (en) * | 2014-03-05 | 2019-12-10 | Lg电子株式会社 | Film attaching system and film attaching method |
| CN111323945A (en) * | 2020-03-19 | 2020-06-23 | Tcl华星光电技术有限公司 | Polaroid laminating equipment and laminating method thereof |
| CN111530771A (en) * | 2020-05-13 | 2020-08-14 | 深圳市全洲自动化设备有限公司 | Analysis method for rapidly grading colors of STN liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101923238B (en) | 2012-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109036163B (en) | Display device and ambient light detection method thereof | |
| CN100339700C (en) | Method and device for investigating polarization film | |
| CN104062049B (en) | A kind of method of testing substrate and device | |
| CN101369059A (en) | Detection apparatus and detection method | |
| CN101923238B (en) | Method for manufacturing liquid crystal display device | |
| CN102749477B (en) | Method for measuring angular deviation between surface and rotating shaft of turntable by utilizing fiber-optic gyroscope | |
| CN102360137A (en) | Liquid-crystal display device | |
| US20210341767A1 (en) | Pressure sensor and pressure detecting method | |
| CN103439339B (en) | Be pasted with defect detecting device and the defect inspection method of the liquid crystal panel of polaroid | |
| CN103460268A (en) | Optical member laminate manufacturing system, manufacturing method, and recording medium | |
| JP2018525680A (en) | Optical film having optical axis, and system and method for processing the same | |
| CN101930321B (en) | Optical touch device and electronic device employing same | |
| CN103631095B (en) | A kind ofly piece the dynamic electron mask plate system of legal system for single-chip integration capacitance touch screen together | |
| CN201628827U (en) | Liquid crystal display with polarizer attaching precision detecting structures | |
| CN101806966B (en) | Detection device and detection method | |
| CN102629034B (en) | Semi-transmitting half-reflection liquid crystal display and manufacturing method thereof | |
| CN203376537U (en) | Half-transmission and half-reflection liquid crystal display panel and display device | |
| CN105242415B (en) | Probe substrate and display panel testing | |
| US20080127713A1 (en) | Method and apparatus for distortion measurement imaging | |
| CN205027998U (en) | Liquid crystal display panel | |
| CN201271825Y (en) | Probe grinding device | |
| US8552732B2 (en) | Apparatus for measuring conductive pattern on substrate | |
| US20120105833A1 (en) | System and method for testing lens module | |
| TWI383213B (en) | Manufacturing method for liquid crystal display device | |
| CN104541317A (en) | Optical display device production method and optical display device production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20170612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |