JPH1123738A5 - - Google Patents

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Publication number
JPH1123738A5
JPH1123738A5 JP1997179286A JP17928697A JPH1123738A5 JP H1123738 A5 JPH1123738 A5 JP H1123738A5 JP 1997179286 A JP1997179286 A JP 1997179286A JP 17928697 A JP17928697 A JP 17928697A JP H1123738 A5 JPH1123738 A5 JP H1123738A5
Authority
JP
Japan
Prior art keywords
liquid crystal
substrate
outside
retardation plate
solar cell
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.)
Pending
Application number
JP1997179286A
Other languages
Japanese (ja)
Other versions
JPH1123738A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP9179286A priority Critical patent/JPH1123738A/en
Priority claimed from JP9179286A external-priority patent/JPH1123738A/en
Publication of JPH1123738A publication Critical patent/JPH1123738A/en
Publication of JPH1123738A5 publication Critical patent/JPH1123738A5/ja
Pending legal-status Critical Current

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Claims (7)

第１の電極を有する第１の基板と第２の電極を有する第２の基板と一対の基板の間に約９０゜ツイスト配向しているネマチック液晶を狭持してなるＴＮ液晶素子と、第２の基板の外側に設ける偏光板と、第１の基板の外側に設ける円偏光位相差板と、円偏光位相差板の外側に設けるコレステリック液晶ポリマーシートとから構成する液晶表示装置と、風防ガラスを有するケースと、液晶表示装置を駆動するムーブメントと、ムーブメントと液晶表示装置の間に配置する太陽電池とを備えることを特徴とする太陽電池を備える時計。A solar-powered watch comprising: a TN liquid crystal element formed by sandwiching nematic liquid crystals oriented at an approximately 90° twist between a pair of substrates, a first substrate having a first electrode and a second substrate having a second electrode; a liquid crystal display device comprising a polarizer provided on the outside of the second substrate, a circularly polarized retardation plate provided on the outside of the first substrate, and a cholesteric liquid crystal polymer sheet provided on the outside of the circularly polarized retardation plate; a case with a crystal glass; a movement for driving the liquid crystal display; and a solar cell disposed between the movement and the liquid crystal display device. 第１の電極を有する第１の基板と第２の電極を有する第２の基板と一対の基板の間に１８０゜〜２７０゜ツイスト配向しているネマチック液晶を狭持してなるＳＴＮ液晶素子と、第２の基板の外側に設ける位相差板と、位相差板の外側に設ける偏光板と、第１の基板の外側に設ける円偏光位相差板と、円偏光位相差板の外側に設けるコレステリック液晶ポリマーシートとから構成する液晶表示装置と、風防ガラスを有するケースと、液晶表示装置を駆動するムーブメントと、ムーブメントと液晶表示装置の間に配置する太陽電池とを備えることを特徴とする太陽電池を備える時計。A solar-powered watch comprising: an STN liquid crystal element having a nematic liquid crystal with a 180° to 270° twist orientation sandwiched between a pair of substrates, a first substrate having a first electrode and a second substrate having a second electrode; a liquid crystal display comprising a retardation plate provided on the outside of the second substrate, a polarizing plate provided on the outside of the retardation plate, a circularly polarized light retardation plate provided on the outside of the first substrate, and a cholesteric liquid crystal polymer sheet provided on the outside of the circularly polarized light retardation plate; a case with a crystal glass; a movement for driving the liquid crystal display; and a solar cell disposed between the movement and the liquid crystal display. 第１の電極を有する第１の基板と第２の電極を有する第２の基板と一対の基板の間に１８０゜〜２７０゜ツイスト配向しているネマチック液晶を狭持してなるＳＴＮ液晶素子と、第２の基板の外側に設けるねじれ位相差板と、ねじれ位相差板の外側に設ける偏光板と、第１の基板の外側に設ける円偏光位相差板と、円偏光位相差板の外側に設けるコレステリック液晶ポリマーシートとから構成する液晶表示装置と、風防ガラスを有するケースと、液晶表示装置を駆動するムーブメントと、ムーブメントと液晶表示装置の間に配置する太陽電池とを備えることを特徴とする太陽電池を備える時計。A solar-powered watch comprising: an STN liquid crystal element having a nematic liquid crystal with a 180° to 270° twist orientation sandwiched between a pair of substrates, a first substrate having a first electrode and a second substrate having a second electrode; a liquid crystal display comprising a twisted retardation plate provided on the outside of the second substrate, a polarizing plate provided on the outside of the twisted retardation plate, a circularly polarized light retardation plate provided on the outside of the first substrate, and a cholesteric liquid crystal polymer sheet provided on the outside of the circularly polarized light retardation plate; a case with a crystal glass; a movement for driving the liquid crystal display; and a solar cell disposed between the movement and the liquid crystal display. コレステリック液晶ポリマーシートが、複数のコレステリック液晶ポリマーシートで構成され、かつコレステリック液晶ポリマーシートの散乱中心波長がそれぞれ異なるように構成されていることを特徴とする請求項１から請求項３のいずれか１項に記載の太陽電池を備える時計。A watch equipped with a solar cell according to any one of claims 1 to 3, characterized in that the cholesteric liquid crystal polymer sheet is made up of a plurality of cholesteric liquid crystal polymer sheets, and the cholesteric liquid crystal polymer sheets are configured so that the scattering center wavelengths of the cholesteric liquid crystal polymer sheets are different from each other. 偏光板の外側表面に拡散層を設けたことを特徴とする請求項１から請求項３のいずれか１項に記載の太陽電池を備える時計。4. A timepiece equipped with a solar cell according to claim 1, wherein a diffusion layer is provided on the outer surface of the polarizing plate. 偏光板の外側に拡散シートを設けたことを特徴とする請求項１から請求項３のいずれか１項に記載の太陽電池を備える時計。4. A solar cell-equipped timepiece according to claim 1, further comprising a diffusion sheet provided on the outside of the polarizing plate. 前記コレステリック液晶ポリマーシートの散乱中心波長が前記太陽電池の最大発電効率波長と異なることを特徴とする請求項１から請求項３のいずれか１項に記載の太陽電池を備える時計。4. A watch equipped with a solar cell according to claim 1, wherein the scattering center wavelength of the cholesteric liquid crystal polymer sheet is different from the wavelength at which the solar cell has maximum power generation efficiency.
JP9179286A 1997-07-04 1997-07-04 Clock with solar cells Pending JPH1123738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9179286A JPH1123738A (en) 1997-07-04 1997-07-04 Clock with solar cells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9179286A JPH1123738A (en) 1997-07-04 1997-07-04 Clock with solar cells

Publications (2)

Publication Number Publication Date
JPH1123738A JPH1123738A (en) 1999-01-29
JPH1123738A5 true JPH1123738A5 (en) 2005-06-09

Family

ID=16063184

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9179286A Pending JPH1123738A (en) 1997-07-04 1997-07-04 Clock with solar cells

Country Status (1)

Country Link
JP (1) JPH1123738A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6518944B1 (en) * 1999-10-25 2003-02-11 Kent Displays, Inc. Combined cholesteric liquid crystal display and solar cell assembly device
CN1302561C (en) * 1999-11-12 2007-02-28 西铁城钟表股份有限公司 Display device of electronic apparatus provided with solar cell
JP2002357717A (en) * 2001-06-01 2002-12-13 Dainippon Printing Co Ltd Wavelength selection element and optical display device having the same
CN1981248A (en) * 2004-07-07 2007-06-13 精工爱普生株式会社 Dials and clocks for solar timepieces
JP2021148623A (en) * 2020-03-19 2021-09-27 シチズン時計株式会社 Dial for watches with solar cells and watches with solar cells

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