WO2005036243A1 - 液晶収差補正素子、及びその製造方法 - Google Patents
液晶収差補正素子、及びその製造方法 Download PDFInfo
- Publication number
- WO2005036243A1 WO2005036243A1 PCT/JP2004/013941 JP2004013941W WO2005036243A1 WO 2005036243 A1 WO2005036243 A1 WO 2005036243A1 JP 2004013941 W JP2004013941 W JP 2004013941W WO 2005036243 A1 WO2005036243 A1 WO 2005036243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid crystal
- substrate
- substrates
- aberration correction
- crystal aberration
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
- G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/18—Function characteristic adaptive optics, e.g. wavefront correction
Definitions
- the present invention belongs to a technical field of a liquid crystal aberration correction element used for correcting a difference generated at the time of recording / reproducing with an optical pickup in an optical disc device, and a method of manufacturing the same.
- optical disks such as CDs and DVDs have been known as information recording media.
- These optical discs cause aberrations (distortion of the condensed spot) due to thickness shift or warpage due to rotation, so it is required to correct the aberrations and increase the recording / reproducing accuracy.
- the former method has a problem that an optical pickup is complicated because an actuator is required, and it is not possible to cope with high-precision correction.
- the electrodes of the liquid crystal panel are formed in a concentric ring shape, thereby performing different phase control between the central portion and the outer edge of the light beam. Since the liquid crystal aberration correction element is arranged on the same optical axis together with the objective lens in the optical pickup, it has been desired to reduce the size and weight so as to obtain good driving.
- Patent Document 1 discloses a first electrode layer having a plurality of concentric electrode portions associated with a distribution of spherical aberration generated on an optical disc, A second electrode layer opposed to the first and second liquid crystal layers, the liquid crystal to generate a light beam that passes through a phase change according to the voltage applied to the first and second electrode layers, and Are described.
- the first and second electrode layers are each formed on a transparent glass substrate.
- a lead wire is connected to each electrode portion, and the side force of the element is also extracted.
- the lead wires that are led out are generally formed by forming one glass substrate longer than the other, and connecting to the terminals provided on the longer part. They were integrated and connected to a circuit for controlling voltage using a flexible printed circuit board.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-237077 (Claim 1, Paragraph 0012, Paragraph 0014, FIG. 4) Disclosure of the Invention
- an object of the present invention is to provide a novel liquid crystal aberration correction element that can be made smaller and lighter than conventional elements.
- Another object of the present invention is to provide a method of manufacturing a liquid crystal aberration correcting element which is excellent in production efficiency and low in cost.
- a liquid crystal aberration correction element of the present invention is a liquid crystal aberration correction element having a plurality of substrates on which electrodes are formed, and a liquid crystal sandwiched between the plurality of substrates.
- a hole is formed in at least one of the plurality of substrates in a thickness direction, and the hole is provided with a terminal for connecting to the electrode.
- a large number of liquids are provided on a substrate serving as a base material.
- liquid crystal aberration correction element of the present invention since a hole is formed in the surface of the substrate and the hole is used as a terminal, an unreasonable force is applied to the substrate as compared with a conventional element in which the terminal is provided on the side. There is no. Therefore, a thinner substrate can be adopted, and as a result, the weight of the element can be reduced.
- the size of the device can be reduced by that much. Furthermore, since the element itself is excellent in weight balance, it is possible to drive the optical pickup with high accuracy.
- the step of forming terminals, the step of injecting liquid crystal, and the like are all performed in a state of a base material before being separated into individual elements. Therefore, production efficiency is improved, and costs can be significantly reduced.
- the inspection can be performed in the state of the base material, so that high efficiency can be achieved.
- FIG. 1 is a plan view showing a liquid crystal aberration corrector according to Embodiment (1).
- FIG. 2 is a sectional view taken along line AA of FIG. 1.
- FIG. 3 is a plan view showing a liquid crystal aberration correction element according to Embodiment (2).
- FIG. 4 is a flowchart showing a manufacturing process of a liquid crystal aberration correction element.
- FIG. 5 is a flowchart showing a manufacturing process of a liquid crystal aberration correction element.
- FIG. 6 is a diagram showing a state of S102 in FIG. 4.
- FIG. 7 is a diagram showing a state of S102 in FIG. 4.
- FIG. 8 is a diagram showing a state of S104 in FIG. 4.
- FIG. 9 is a diagram showing a state of S106 in FIG. 4.
- FIG. 10 is a diagram showing a state of S306 in FIG. 5. Explanation of reference numerals
- the present invention is a liquid crystal aberration correction element having a plurality of substrates on which electrodes are formed, and a liquid crystal interposed between the plurality of substrates, wherein at least one of the plurality of substrates has a thickness direction.
- a liquid crystal aberration correcting element is provided in which a hole is formed and a terminal for connecting to the electrode is provided in the hole (first invention).
- the present invention is a liquid crystal aberration correction element having a plurality of substrates on which electrodes are formed, and a liquid crystal sandwiched between the plurality of substrates, wherein one of the plurality of substrates has a thickness.
- a liquid crystal aberration correction element having a hole formed in a vertical direction, and a terminal for connecting to the electrode is provided in the hole (second invention).
- the terminal for connecting to the electrode is arranged on the surface of the substrate through the hole.
- the present invention is characterized in that, in the liquid crystal aberration correction element according to the second invention, an injection port for injecting liquid crystal is formed in one substrate (third invention).
- the terminals connected to the electrodes and the liquid crystal injection port are provided on the surface of one substrate. It is arranged on the surface.
- the substrate is formed in a quadrangular shape, and a hole is formed near a part of a corner of the substrate other than a circular region through which a light beam passes. (4th invention).
- the vicinity of the corner of the substrate is effectively used as a space for forming a hole.
- a substrate serving as a base material has terminals and injection ports corresponding to a large number of liquid crystal aberration correcting elements.
- a step of forming an electrode, a step of forming an electrode, a step of combining the substrate on which the terminals, the inlet, and the electrode are formed with another substrate on which the electrode is formed, and injecting liquid crystal from the inlet after the combination.
- a method of manufacturing a liquid crystal aberration corrector comprising: a step of separating the liquid crystal aberration corrector into individual liquid crystal aberration correctors (a fifth invention).
- the manufacture of the liquid crystal aberration correction element proceeds with the state of the base material substrate until the final step.
- FIG. 1 is a plan view of the liquid crystal aberration correction element
- FIG. 2 is a cross-sectional view taken along line AA of FIG.
- the liquid crystal aberration correction element 1 has a substrate 10 on which concentrically divided electrodes 20 and 21 (segment electrodes) are formed, and an electrode 22 (common electrode). It is roughly configured by sandwiching a liquid crystal 40 with the substrate 11.
- the liquid crystal alignment film and the transparent insulating layer generally provided between the electrodes 20 and 21 and the liquid crystal 40 and between the electrode 22 and the liquid crystal 40, and the reflection provided on the substrates 10 and 11
- the illustration of the prevention film and the like is omitted.
- the liquid crystal 40 is sealed inside by a sealing material 50.
- the liquid crystal aberration correction element 1 allows the light flux to pass through the area where the liquid crystal 40 is provided, and at that time, applies different voltages to the electrodes 20 and 21 so that the positions of the electrodes 20 and 21 are different from each other. Gives a different alignment state of the liquid crystal, that is, a phase difference, thereby correcting the spherical aberration of light.
- a transparent substrate such as a glass substrate is used. Also, electrodes 20, 21, and As the electrode 22, a transparent electrode such as ITO on which an indium tin oxide film is formed is appropriately used.
- holes 30 A, 30 B, and 30 C are formed in the thickness direction of the substrate 10, and these holes have terminals 31 for connecting to the electrodes 20, 21, and 22.
- A, 31B and 31C are provided respectively.
- the electrode 22 (common electrode) formed on the substrate 11 side is connected to the terminal 31 on the substrate 10 via the conductive material 60.
- Each terminal is formed by plating a metal such as Ni—Au along the inner peripheral surface of the hole.
- the substrates 10 and 11 can be made thinner (for example, 0.2 mm), and the element can be lightened. Specifically, 40% or more compared to the conventional type (about 10% of the effect of changing from the conventional terminal to the terminal arranged on the surface and about 10% of the effect of changing the board thickness from 0.3 mm to 0.2 mm) 33%).
- an injection port 32 for injecting liquid crystal 40 between substrates 10 and 11 is formed on the surface of substrate 10.
- the shape of the inlet 32 is circular, elliptical, or the like, and is appropriately sealed with a sealing material after the liquid crystal 40 is injected.
- the device since all of the terminals 31A, 31B, 31C and the liquid crystal inlet 32 are arranged on one of the opposing substrates 10, the device is manufactured as described later. Production efficiency can be increased.
- the holes 30A, 30B, 30C and the liquid crystal injection port 32 are formed in a square shape other than the circular area through which the light beam passes (the area where the electrodes 20, 21 are formed). It is formed in the vicinity of a corner portion 101 on the formed substrate 10. By doing so, the surplus portion on the substrate 10 through which the light beam does not pass can be effectively used as the position of the terminal and the like, and the element can be further reduced in size. Further, by arranging the terminals and the like in the corner portions 101, the weight balance of the element can be optimized.
- the two electrodes 20 and 21 are formed concentrically has been described.
- the two electrodes 20 and 21 may be formed so as to be divided into multiple gradations.
- the arrangement pattern of the electrodes is not limited to concentric circles.
- the electrodes may be formed of left and right divided electrodes. In this case, it is possible to satisfactorily correct coma caused by warpage of the optical disk.
- the opposing substrates are not limited to a pair as described above, and more substrates may be stacked with liquid crystal interposed therebetween.
- the terminals and the liquid crystal injection port are provided to be concentrated on one substrate 10, but they may be provided separately for the substrate 10 and the substrate 11.
- a terminal connected to the electrode 22 as a common electrode can be provided on the substrate 11 side.
- each electrode and each terminal may be connected by a lead wire or the like.
- holes 30A, 30B, 30C, and 30D are formed in the thickness direction of the substrate 10, and the holes are connected to a common electrode (not shown) and the electrodes 23, 24, and 25. Terminals 31A, 31B, 31C, and 3 ID are provided. Further, the liquid crystal is injected from a gap between the substrates on the side surface of the element, and the injection port is sealed by a sealing portion 51.
- the liquid crystal aberration correction element 1 as described above constitutes an optical pickup together with, for example, a laser light source, a polarizer, a 1Z2 wavelength plate, a 1Z4 wavelength plate, an objective lens, a light receiving element, etc., and is used by being incorporated into an optical disk device. can do.
- liquid crystal aberration correction element of the present invention is small and lightweight, high-precision control is required. It can be suitably used for next-generation BDs (Blu_ray Discs) and high-density optical discs such as multilayer discs.
- next-generation BDs Blu_ray Discs
- high-density optical discs such as multilayer discs.
- holes 30A corresponding to a large number of liquid crystal aberration correction elements are formed in substrate 100 serving as a base material.
- 30B, 3OC and a liquid crystal injection port 32 are formed (S101), and terminals 31A, 31B, 31C are provided in the respective holes (S102).
- S101 When providing each terminal, as shown in FIG. 7, after forming a mask 70 in a portion other than the holes, a metal serving as a terminal is formed by plating or the like, and then the mask 70 is preferably removed. Done in
- an electrode material is formed at a predetermined position by vapor deposition or the like (S103), and pattern jung is performed by etching or the like to produce electrodes 20 and 21 (S104). This state is shown in FIG. Note that the above-described step of providing terminals and the step of forming electrodes may be performed before or after.
- a liquid crystal alignment film such as PVA is formed, and rubbing is performed (S 105). Further, a sealing material 50 for enclosing the liquid crystal is provided outside the electrode 20 by printing or the like (S106). This state is shown in FIG.
- an electrode is formed on the substrate serving as a base material in the same manner as described above (S201), and patterning is performed to form a common electrode (electrode 22). Yes (S202). Further, a liquid crystal alignment film is formed and rubbing is performed (S203), and a conductive material for connecting the common electrode and the terminal is provided by printing or the like (S204).
- the substrate on which the terminals and the like are formed and another substrate on which a common electrode and the like are formed are opposed to each other and combined (S301).
- This step is performed, for example, by laminating with an adhesive via a spacer.
- liquid crystal is injected from the injection port 32 into the inside of the sealing material 50 (S302), and the liquid crystal is sealed. Then, the operation of the device is inspected using the terminals arranged on the substrate 100 serving as the base material (S303). NG marking is performed on the part that failed the inspection (S305). After that, an antireflection film (AR film) is formed on the entire surface of the substrate serving as the base material (S304). AR film is It may be formed on either the plate 10 side or the substrate 11 side, or may be formed on both sides.
- the substrate serving as a base material is cut into individual liquid crystal differential compensation elements 1 using a dicer or the like (S307), and after undergoing a single item inspection process (S307). Ship it (S308).
- the element which failed in the inspection of the single item is discarded or repaired, or is transferred to a regeneration step (S309).
- each terminal and electrode, the step of injecting liquid crystal, and the like are all performed in the state of the base material before being separated into individual elements, so that the production efficiency is extremely high. High costs can also be significantly reduced. In addition, it can easily cope with the expansion of production scale.
- the inspection process (S302) performed after injecting and sealing the liquid crystal can be performed simultaneously in the state of the base material, which is extremely useful in industry.
- the liquid crystal aberration correction element of the present invention is applied to an optical disk device! It can be used to correct aberrations that occur during recording / reproducing with an optical pickup.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005514550A JP4008945B2 (ja) | 2003-10-14 | 2004-09-24 | 液晶収差補正素子、及びその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003353771 | 2003-10-14 | ||
JP2003-353771 | 2003-10-14 |
Publications (1)
Publication Number | Publication Date |
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WO2005036243A1 true WO2005036243A1 (ja) | 2005-04-21 |
Family
ID=34431171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013941 WO2005036243A1 (ja) | 2003-10-14 | 2004-09-24 | 液晶収差補正素子、及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4008945B2 (ja) |
KR (1) | KR100761951B1 (ja) |
CN (1) | CN100394256C (ja) |
WO (1) | WO2005036243A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011523722A (ja) * | 2008-06-06 | 2011-08-18 | レンズヴェクター インコーポレイテッド | チューナブル液晶光学装置の接続部構造 |
JP2011175105A (ja) * | 2010-02-24 | 2011-09-08 | Binit:Kk | 多層構造液晶光学素子およびその製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008203574A (ja) * | 2007-02-20 | 2008-09-04 | Binit:Kk | 液晶光学素子およびその製造方法 |
JP5048117B2 (ja) * | 2010-10-15 | 2012-10-17 | 株式会社びにっと | 液晶光学素子及びその製造方法 |
CN104570520B (zh) * | 2014-12-31 | 2017-12-26 | 上海天马微电子有限公司 | 一种液晶透镜 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810728B2 (ja) * | 1979-12-26 | 1983-02-26 | セイコーインスツルメンツ株式会社 | 光学表示パネルの製造方法 |
JPS62106219U (ja) * | 1985-12-25 | 1987-07-07 | ||
JPH0248927U (ja) * | 1988-09-30 | 1990-04-05 | ||
JPH08171095A (ja) * | 1994-12-16 | 1996-07-02 | Sanyo Electric Co Ltd | 液晶表示装置及び液晶表示装置の製造方法 |
JP2000122078A (ja) * | 1998-10-21 | 2000-04-28 | Canon Inc | 液晶セルと液晶表示装置 |
JP2000214424A (ja) * | 1999-01-27 | 2000-08-04 | Citizen Watch Co Ltd | 旋光光学素子パネルの製造方法 |
JP2002040465A (ja) * | 2000-07-31 | 2002-02-06 | Seiko Epson Corp | 液晶装置および電子機器 |
JP2003270656A (ja) * | 2002-03-13 | 2003-09-25 | Citizen Watch Co Ltd | 液晶光学素子 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810728A (ja) * | 1981-07-14 | 1983-01-21 | Kyocera Corp | 自動調光制御回路 |
JPS62106219A (ja) * | 1985-11-05 | 1987-05-16 | Babcock Hitachi Kk | 流動層火炉ドラフトの振れ防止装置 |
DE68908221T2 (de) * | 1988-03-25 | 1993-12-23 | Guest John D | Herstellungsverfahren für Rohrkupplungsgehäuse. |
JPH09146120A (ja) * | 1995-11-27 | 1997-06-06 | Sanyo Electric Co Ltd | 液晶表示装置 |
JP3493335B2 (ja) * | 1999-07-07 | 2004-02-03 | 松下電器産業株式会社 | 光学素子、光ヘッド及び光記録再生装置 |
JP4733868B2 (ja) * | 2000-07-24 | 2011-07-27 | パナソニック株式会社 | 光ヘッドと光記録再生装置 |
-
2004
- 2004-09-24 CN CNB2004800300477A patent/CN100394256C/zh not_active Expired - Fee Related
- 2004-09-24 WO PCT/JP2004/013941 patent/WO2005036243A1/ja active Application Filing
- 2004-09-24 KR KR1020067006257A patent/KR100761951B1/ko not_active IP Right Cessation
- 2004-09-24 JP JP2005514550A patent/JP4008945B2/ja not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5810728B2 (ja) * | 1979-12-26 | 1983-02-26 | セイコーインスツルメンツ株式会社 | 光学表示パネルの製造方法 |
JPS62106219U (ja) * | 1985-12-25 | 1987-07-07 | ||
JPH0248927U (ja) * | 1988-09-30 | 1990-04-05 | ||
JPH08171095A (ja) * | 1994-12-16 | 1996-07-02 | Sanyo Electric Co Ltd | 液晶表示装置及び液晶表示装置の製造方法 |
JP2000122078A (ja) * | 1998-10-21 | 2000-04-28 | Canon Inc | 液晶セルと液晶表示装置 |
JP2000214424A (ja) * | 1999-01-27 | 2000-08-04 | Citizen Watch Co Ltd | 旋光光学素子パネルの製造方法 |
JP2002040465A (ja) * | 2000-07-31 | 2002-02-06 | Seiko Epson Corp | 液晶装置および電子機器 |
JP2003270656A (ja) * | 2002-03-13 | 2003-09-25 | Citizen Watch Co Ltd | 液晶光学素子 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011523722A (ja) * | 2008-06-06 | 2011-08-18 | レンズヴェクター インコーポレイテッド | チューナブル液晶光学装置の接続部構造 |
JP2011175105A (ja) * | 2010-02-24 | 2011-09-08 | Binit:Kk | 多層構造液晶光学素子およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100761951B1 (ko) | 2007-10-02 |
CN1867858A (zh) | 2006-11-22 |
CN100394256C (zh) | 2008-06-11 |
JP4008945B2 (ja) | 2007-11-14 |
KR20060057637A (ko) | 2006-05-26 |
JPWO2005036243A1 (ja) | 2006-12-21 |
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