JP2006106374A5 - - Google Patents

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Publication number
JP2006106374A5
JP2006106374A5 JP2004293223A JP2004293223A JP2006106374A5 JP 2006106374 A5 JP2006106374 A5 JP 2006106374A5 JP 2004293223 A JP2004293223 A JP 2004293223A JP 2004293223 A JP2004293223 A JP 2004293223A JP 2006106374 A5 JP2006106374 A5 JP 2006106374A5
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Japan
Prior art keywords
substrate
liquid crystal
crystal device
wavefront aberration
correction electrode
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JP2004293223A
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Japanese (ja)
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JP4429861B2 (en
JP2006106374A (en
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Priority to JP2004293223A priority Critical patent/JP4429861B2/en
Priority claimed from JP2004293223A external-priority patent/JP4429861B2/en
Publication of JP2006106374A publication Critical patent/JP2006106374A/en
Publication of JP2006106374A5 publication Critical patent/JP2006106374A5/ja
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Publication of JP4429861B2 publication Critical patent/JP4429861B2/en
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Claims (6)

対向する第1基板及び第2基板の間隙に液晶を挟持した構成を有し、情報を記録/再生するための光の光路上に配置され、波面収差を補償するために前記光に位相差を与え液晶装置において、
前記第1基板及び前記第2基板の少なくとも一方の基板の前記液晶側の面には補正電極が形成されており、
前記第1基板又は前記第2基板に接着された状態でこれら2つの基板の前記間隙を規定値に保持する接着支持部材が、前記波面収差の値が0である領域に特定して配設されていることを特徴とする液晶装置。
It has a configuration in which a liquid crystal is sandwiched between the opposing first substrate and second substrate, and is arranged on the optical path of light for recording / reproducing information, and has a phase difference in the light to compensate for wavefront aberration. in giving Ru liquid crystal device,
A correction electrode is formed on the liquid crystal side surface of at least one of the first substrate and the second substrate,
An adhesive support member that holds the gap between the two substrates at a specified value in a state of being bonded to the first substrate or the second substrate is specifically arranged in a region where the value of the wavefront aberration is zero. a liquid crystal device characterized in that is.
前記接着支持部材は、前記第1基板と前記第2基板の両方に接着されていることを特徴とする請求項1記載の液晶装置。The liquid crystal device according to claim 1, wherein the adhesion support member is adhered to both the first substrate and the second substrate. 前記補正電極が、補償すべき波面収差の分布に対応した形状を有する相互に絶縁された複数の部分電極より構成されており、該部分電極のうちの一つが、前記補正電極の中心軸を含む領域に配設されていることを特徴とする請求項1または2に記載の液晶装置。The correction electrode is composed of a plurality of mutually insulated partial electrodes having a shape corresponding to the distribution of wavefront aberration to be compensated, and one of the partial electrodes includes the central axis of the correction electrode The liquid crystal device according to claim 1, wherein the liquid crystal device is disposed in a region. 前記波面収差の値が0である領域が、前記補正電極の前記中心軸上またはその近傍に位置していることを特徴とする請求項1〜3のいずれか一項に記載の液晶装置。4. The liquid crystal device according to claim 1, wherein a region where the value of the wavefront aberration is 0 is located on or near the central axis of the correction electrode. 5. 前記補正電極が、タンデンシャル方向またはラジアル方向の波面収差を補償する電極形状を有することを特徴とする請求項1〜4のいずれか一項に記載の液晶装置。5. The liquid crystal device according to claim 1, wherein the correction electrode has an electrode shape that compensates for a wavefront aberration in a tangential direction or a radial direction. さらに前記第2基板の前記第1基板と反対側の面に第3基板を備え、前記第2基板及び前記第3基板の間隙には液晶が挟持されていると共に、前記第2基板及び前記第3基板の少なくとも一方の基板の前記液晶側の面には第2の補正電極が形成されており、前記第2基板又は前記第3基板に接着された状態でこれら2つの基板の前記間隙を規定値に保持する接着支持部材が、前記波面収差の値が0である領域に特定して配設されていることを特徴とする請求項1〜5のいずれか一項に記載の液晶装置。Further, a third substrate is provided on the surface of the second substrate opposite to the first substrate, and a liquid crystal is sandwiched between the second substrate and the third substrate, and the second substrate and the second substrate A second correction electrode is formed on the liquid crystal side surface of at least one of the three substrates, and the gap between the two substrates is defined in a state of being bonded to the second substrate or the third substrate. 6. The liquid crystal device according to claim 1, wherein an adhesive support member that holds the value is disposed in a region where the value of the wavefront aberration is 0. 6.
JP2004293223A 2004-10-06 2004-10-06 Liquid crystal device Expired - Fee Related JP4429861B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004293223A JP4429861B2 (en) 2004-10-06 2004-10-06 Liquid crystal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004293223A JP4429861B2 (en) 2004-10-06 2004-10-06 Liquid crystal device

Publications (3)

Publication Number Publication Date
JP2006106374A JP2006106374A (en) 2006-04-20
JP2006106374A5 true JP2006106374A5 (en) 2009-05-21
JP4429861B2 JP4429861B2 (en) 2010-03-10

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JP2004293223A Expired - Fee Related JP4429861B2 (en) 2004-10-06 2004-10-06 Liquid crystal device

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JP (1) JP4429861B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4881683B2 (en) * 2006-09-14 2012-02-22 シチズンホールディングス株式会社 Liquid crystal optical element and optical pickup device

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