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JP2001221995A5
JP2001221995A5 JP2000339395A JP2000339395A JP2001221995A5 JP 2001221995 A5 JP2001221995 A5 JP 2001221995A5 JP 2000339395 A JP2000339395 A JP 2000339395A JP 2000339395 A JP2000339395 A JP 2000339395A JP 2001221995 A5 JP2001221995 A5 JP 2001221995A5
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liquid crystal
display portion
crystal layer
reflective
crystal device
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JP2000339395A
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JP3744342B2 (en
JP2001221995A (en
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Priority to JP2000339395A priority Critical patent/JP3744342B2/en
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Publication of JP2001221995A publication Critical patent/JP2001221995A/en
Priority to US09/946,594 priority patent/US6909481B2/en
Publication of JP2001221995A5 publication Critical patent/JP2001221995A5/ja
Priority to US11/115,118 priority patent/US7352420B2/en
Publication of JP3744342B2 publication Critical patent/JP3744342B2/en
Application granted granted Critical
Priority to US11/798,148 priority patent/US7583338B2/en
Priority to US11/808,331 priority patent/US7538839B2/en
Anticipated expiration legal-status Critical
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Description

【００１２】
【課題を解決するための手段】
本発明の反射型液晶表示装置は、前記課題を解決するために、一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、反射表示部に対応する液晶層の厚さをｄhとし、透過表示部に対応する液晶層の厚さをｄtとすると、１.８ｄh≦ｄt≦２.４ｄhの関係式が満足されることを特徴とする。[0012]
[Means for Solving the Problems]
A reflective liquid crystal display device according to the present invention is a liquid crystal device in which a liquid crystal layer of nematic liquid crystal is held between a pair of substrates in order to solve the above problems, and at least a region used for display in the liquid crystal layer is An individual region having two different liquid crystal layer thicknesses, each having a different liquid crystal layer thickness, is used as either a reflective display portion or a transmissive display portion, and a reflective means is disposed in the reflective display portion, and The liquid crystal layer thickness corresponding to the reflective display portion is smaller than the liquid crystal layer thickness corresponding to the transmissive display portion, the thickness of the liquid crystal layer corresponding to the reflective display portion is dh, and the liquid crystal layer corresponding to the transmissive display portion It is characterized in that the relational expression of 1.8 dh ≦ dt ≦ 2.4 dh is satisfied, where dt is a thickness of

【００２２】
本発明の液晶装置は、一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記透過表示部に対応する部分以外には透明な樹脂層が形成されていることを特徴とする。[0022]
The liquid crystal device according to the present invention is a liquid crystal device in which a liquid crystal layer of nematic liquid crystal is sandwiched between a pair of substrates, and a region of the liquid crystal layer used for display has at least two different liquid crystal layer thicknesses. The individual regions having different liquid crystal layer thicknesses are either a reflective display portion or a transmissive display portion, and the reflective display portion is provided with reflective means, and is transparent except for the portion corresponding to the transmissive display portion It is characterized in that a transparent resin layer is formed.

【００２４】
本発明の液晶装置は、一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、前記反射表示部と前記透過表示部の液晶は常に同一材料の透明電極によって電圧が印加されることを特徴とする。[0024]
The liquid crystal device according to the present invention is a liquid crystal device in which a liquid crystal layer of nematic liquid crystal is sandwiched between a pair of substrates, and a region of the liquid crystal layer used for display has at least two different liquid crystal layer thicknesses. The individual regions having different liquid crystal layer thicknesses are either reflective display portions or transmissive display portions, and the reflective display portions are provided with reflective means, and the liquid crystal layer thickness corresponding to the reflective display portions is the above The liquid crystal layer is made smaller than the liquid crystal layer thickness corresponding to the transmissive display portion, and the liquid crystal of the reflective display portion and the transmissive display portion is characterized in that voltage is always applied by the transparent electrodes of the same material.

【００２６】
本発明の液晶装置は、一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、かつ、前記透過表示部は矩形形状をなし、前記矩形形状の長手方向と液晶配向膜の配向処理方向が概ね平行であることを特徴とする。[0026]
The liquid crystal device according to the present invention is a liquid crystal device in which a liquid crystal layer of nematic liquid crystal is sandwiched between a pair of substrates, and a region of the liquid crystal layer used for display has at least two different liquid crystal layer thicknesses. The individual regions having different liquid crystal layer thicknesses are either reflective display portions or transmissive display portions, and the reflective display portions are provided with reflective means, and the liquid crystal layer thickness corresponding to the reflective display portions is the above The thickness is smaller than the liquid crystal layer thickness corresponding to the transmissive display portion, and the transmissive display portion has a rectangular shape, and the longitudinal direction of the rectangular shape and the alignment processing direction of the liquid crystal alignment film are substantially parallel. I assume.

Claims (13)

一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、反射表示部に対応する液晶層の厚さをｄhとし、透過表示部に対応する液晶層の厚さをｄtとすると、１.８ｄh≦ｄt≦２.４ｄhの関係式が満足されることを特徴とする液晶装置。A liquid crystal device in which a liquid crystal layer of nematic liquid crystal is held between a pair of substrates, wherein a region used for display in the liquid crystal layer is a region having at least two different liquid crystal layer thicknesses, and the liquid crystal layer thickness is Different individual regions are used as either a reflective display portion or a transmissive display portion, and the reflective display portion is provided with reflective means, and a liquid crystal layer thickness corresponding to the reflective display portion corresponds to the transmissive display portion Assuming that the thickness of the liquid crystal layer corresponding to the reflective display portion is dh and the thickness of the liquid crystal layer corresponding to the transmissive display portion is dt, which is smaller than the layer thickness, 1.8 dh ≦ dt ≦ 2.4 dh A liquid crystal device characterized in that a relational expression is satisfied. 前記基板の液晶層側に表示領域の液晶層駆動用の複数の電極が形成されるとともに、前記各電極により駆動される個々の分割画素領域が、少なくとも２種類の異なる液晶層厚を有する領域からなることを特徴とする請求項１記載の液晶装置。A plurality of electrodes for driving the liquid crystal layer in the display area are formed on the liquid crystal layer side of the substrate, and each of the divided pixel areas driven by the respective electrodes has at least two different liquid crystal layer thicknesses. The liquid crystal device according to claim 1, wherein 前記液晶層を構成する前記ネマティック液晶の屈折率異方性をΔｎとし、前記反射表示部の液晶層の厚さｄhとの積をΔｎｄh、前記透過表示部の液晶層の厚さｄtとの積をΔｎｄtとすると、１.８Δｎｄh≦Δｎｄt≦２.４Δｎｄhの関係式が満足されることを特徴とする請求項１または２記載の液晶装置。The refractive index anisotropy of the nematic liquid crystal constituting the liquid crystal layer is Δn, the product of the reflective display portion with the thickness dh of the reflective display portion is Δndh, and the product of the transmissive display portion with the thickness dt 3. A liquid crystal device according to claim 1, wherein the relational expression of 1.8.DELTA.ndh.ltoreq..DELTA.ndt.ltoreq.2.4.DELTA.ndh is satisfied, where .DELTA.ndt. 前記反射手段を有する側の基板に対向する他側の基板に、前記透過表示部の液晶層に面する凹部が形成されて、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなることを特徴とする請求項１ないし３のいずれかに記載の液晶装置。A concave portion facing the liquid crystal layer of the transmission display portion is formed on the other side of the substrate facing the substrate having the reflection means, and the liquid crystal layer thickness corresponding to the reflection display portion corresponds to the transmission display portion The liquid crystal device according to any one of claims 1 to 3, wherein the thickness is smaller than the thickness of the liquid crystal layer. 一対の基板間に液晶層が挟持された液晶装置において、前記液晶層における表示に利用される領域が少なくとも２種類の異なるプレチルト角を有する反射表示部と透過表示部とからなり、前記反射表示部には反射手段が配され、前記反射表示部に相当する領域のプレチルト角が前記透過表示部に相当する領域のプレチルト角よりも大きくされてなり、前記反射表示部に対応する液晶のプレチルト角をθhとし、前記透過表示部に対応する液晶層のプレチルト角をθtとすると、３０度≦θh−θt≦５０度の関係式が満足されることを特徴とする液晶装置。In a liquid crystal device in which a liquid crystal layer is sandwiched between a pair of substrates, a region used for display in the liquid crystal layer includes a reflective display portion having at least two different pretilt angles and a transmissive display portion, and the reflective display portion The reflection means is disposed at the front side, and the pretilt angle of the area corresponding to the reflection display area is larger than the pretilt angle of the area corresponding to the transmission display area, and the pretilt angle of the liquid crystal corresponding to the reflection display area is A liquid crystal device satisfying the relational expression of 30 degrees ≦ θh−θt ≦ 50 degrees, where θh is the pretilt angle of the liquid crystal layer corresponding to the transmissive display portion is θt. 一対の基板間に液晶層が挟持された液晶装置において、前記液晶層における表示に利用される領域が少なくとも２種類の異なる位相差を有する透過表示部と反射表示部からなり、前記透過表示部にのみ位相差層が形成されてなることを特徴とする請求項５記載の液晶装置。In a liquid crystal device in which a liquid crystal layer is sandwiched between a pair of substrates, a region used for display in the liquid crystal layer includes a transmissive display portion and a reflective display portion having at least two different phase differences, and the transmissive display portion 6. A liquid crystal device according to claim 5, wherein a retardation layer is formed only. 一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記透過表示部に対応する部分以外には透明な樹脂層が形成されていることを特徴とする液晶装置。A liquid crystal device in which a liquid crystal layer of nematic liquid crystal is held between a pair of substrates, wherein a region used for display in the liquid crystal layer is a region having at least two different liquid crystal layer thicknesses, and the liquid crystal layer thickness is Different individual regions are used as either a reflective display portion or a transmissive display portion, and a reflective means is disposed in the reflective display portion, and a transparent resin layer is formed in portions other than the portion corresponding to the transmissive display portion. A liquid crystal device characterized in that 前記透明な樹脂層がアクリル系樹脂であることを特徴とする請求項７記載の液晶装置。The liquid crystal device according to claim 7, wherein the transparent resin layer is an acrylic resin. 前記透明な樹脂層はカラーフィルタの保護膜であることを特徴とする請求項７記載の液晶装置。8. The liquid crystal device according to claim 7, wherein the transparent resin layer is a protective film of a color filter. 一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、前記反射表示部と前記透過表示部の液晶は常に同一材料の透明電極によって電圧が印加されることを特徴とする液晶装置。A liquid crystal device in which a liquid crystal layer of nematic liquid crystal is held between a pair of substrates, wherein a region used for display in the liquid crystal layer is a region having at least two different liquid crystal layer thicknesses, and the liquid crystal layer thickness is Different individual regions are used as either a reflective display portion or a transmissive display portion, and the reflective display portion is provided with reflective means, and a liquid crystal layer thickness corresponding to the reflective display portion corresponds to the transmissive display portion A liquid crystal device characterized in that the layer thickness is smaller than that of the liquid crystal and the liquid crystal in the reflective display portion and the transmissive display portion is always applied with a transparent electrode of the same material. 一対の基板間にネマティック液晶の液晶層が挟持された液晶装置であって、前記液晶層における表示に利用される領域が少なくとも２種類の異なる液晶層厚を有する領域からなり、前記液晶層厚が異なる個々の領域が反射表示部か透過表示部のいずれかとされるとともに、前記反射表示部には反射手段が配され、前記反射表示部に相当する液晶層厚が前記透過表示部に相当する液晶層厚よりも小さくされてなり、かつ、前記透過表示部は矩形形状をなし、前記矩形形状の長手方向と液晶配向膜の配向処理方向が概ね平行であることを特徴とする液晶装置。A liquid crystal device in which a liquid crystal layer of nematic liquid crystal is held between a pair of substrates, wherein a region used for display in the liquid crystal layer is a region having at least two different liquid crystal layer thicknesses, and the liquid crystal layer thickness is Different individual regions are used as either a reflective display portion or a transmissive display portion, and the reflective display portion is provided with reflective means, and a liquid crystal layer thickness corresponding to the reflective display portion corresponds to the transmissive display portion A liquid crystal device, wherein the transmission display portion has a rectangular shape, and the longitudinal direction of the rectangular shape and the alignment processing direction of the liquid crystal alignment film are substantially parallel. 誘電率異方性が正のネマティック液晶から前記液晶層が形成されてなることを特徴とする請求項１ないし１１のいずれかに記載の液晶装置。The liquid crystal device according to any one of claims 1 to 11, wherein the liquid crystal layer is formed of nematic liquid crystal having positive dielectric anisotropy. 請求項１ないし１２のいずれかに記載の液晶装置を表示部に備えたことを特徴とする電子機器。An electronic apparatus comprising the liquid crystal device according to any one of claims 1 to 12 in a display portion.
JP2000339395A 1999-12-03 2000-11-07 Liquid crystal device and electronic device Expired - Lifetime JP3744342B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000339395A JP3744342B2 (en) 1999-12-03 2000-11-07 Liquid crystal device and electronic device
US09/946,594 US6909481B2 (en) 2000-11-07 2001-09-06 Liquid crystal display and electronic appliance
US11/115,118 US7352420B2 (en) 2000-11-07 2005-04-27 Liquid crystal display and electronic appliance
US11/798,148 US7583338B2 (en) 2000-11-07 2007-05-10 Liquid crystal display and electronic appliance
US11/808,331 US7538839B2 (en) 1999-12-03 2007-06-08 Liquid crystal display and electronic appliance

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JP11-344733 1999-12-03
JP34473399 1999-12-03
JP2000339395A JP3744342B2 (en) 1999-12-03 2000-11-07 Liquid crystal device and electronic device

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