US20100214647A1 - Reflective Display Apparatus - Google Patents

Reflective Display Apparatus Download PDF

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Publication number
US20100214647A1
US20100214647A1 US12/469,616 US46961609A US2010214647A1 US 20100214647 A1 US20100214647 A1 US 20100214647A1 US 46961609 A US46961609 A US 46961609A US 2010214647 A1 US2010214647 A1 US 2010214647A1
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US
United States
Prior art keywords
layer
adhering surface
light shielding
display apparatus
reflective display
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.)
Abandoned
Application number
US12/469,616
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English (en)
Inventor
Su-Cheng Liu
Chi-Ming Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prime View International Co Ltd
Original Assignee
Prime View International Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prime View International Co Ltd filed Critical Prime View International Co Ltd
Assigned to PRIME VIEW INTERNATIONAL CO. LTD. reassignment PRIME VIEW INTERNATIONAL CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIU, Su-cheng, WU, CHI-MING
Publication of US20100214647A1 publication Critical patent/US20100214647A1/en
Priority to US13/226,088 priority Critical patent/US9140953B2/en
Abandoned legal-status Critical Current

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    • 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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
    • G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • 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 
    • G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
    • G02F1/1675—Constructional details
    • G02F1/1679—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
    • G02F1/1681—Gaskets; Spacers; Sealing of cells; Filling or closing of cells having two or more microcells partitioned by walls, e.g. of microcup type
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements
    • 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
    • G02F2203/02—Function characteristic reflective

Definitions

  • the present invention relates to a display apparatus, and more particularly, to a reflective display apparatus.
  • Reflective display apparatus is of energy saving due to there is no need of backlight source.
  • the electrophoretic displays (EPDs) of bistable display technology not only can save energy but also have advantages of high contrast and low cost. Therefore, the electrophoretic displays are more popularly used.
  • FIG. 1 is schematic view of a conventional electrophoretic display apparatus.
  • the conventional electrophoretic apparatus 100 includes a first substrate 110 , a second substrate 120 and an electrophoretic layer 130 , wherein the electrophoretic layer 130 is disposed between the first substrate 110 and the second substrate 120 .
  • the electrophoretic layer 130 includes a plurality of microcapsules, and each of the microcapsules includes a plurality of positive particles and a plurality of negative particles. The positive particle and the negative particle have different colors.
  • the first substrate 110 has a driving circuit layer 112 .
  • the driving circuit layer 112 includes a plurality of thin film transistors (TFTs) and a plurality of pixel electrodes respectively and electrically connected with the thin film transistors.
  • TFTs thin film transistors
  • the second substrate 120 has a transparent electrode layer 122 opposite to the driving circuit layer 112 .
  • the electrophoretic layer 130 is disposed between the driving circuit layer 122 and the transparent layer 112 , and the electrophoretic layer 130 is adhered to the driving circuit layer 122 of the first substrate 110 by an optical clear adhesive (OCA).
  • OCA optical clear adhesive
  • the conventional reflective display apparatus may generate residual image, and the contrast and reflectivity of the reflective display apparatus may be decreased, or a cross-talk phenomenon may be generated. Therefore, the display quality of the conventional reflective display apparatus is reduced.
  • the present invention provides a reflective display apparatus of improved display quantity.
  • the present invention provides a reflective display apparatus including a first substrate, a second substrate, a display layer and a light shielding layer.
  • the first substrate has a driving circuit layer and the second substrate has a transparent electrode layer opposite to the driving circuit layer.
  • the display layer is disposed between the driving circuit layer and the transparent layer.
  • the light shielding layer has a first adhering surface and a second adhering surface, wherein the first adhering surface is adhered to the display layer and the second adhering surface is adhered to the driving circuit layer.
  • the light shielding layer includes a light shielding adhesive.
  • the light shielding layer includes a first transparent adhesive, a second transparent adhesive and a light shielding film.
  • the first transparent adhesive has the first adhering surface and a third adhering surface opposite to the first adhering surface.
  • the second transparent adhesive has the second adhering surface and a fourth adhering surface opposite to the second adhering surface.
  • the light shielding film is disposed between the first transparent adhesive and the second transparent adhesive, and the third adhering surface and the fourth adhering surface are adhered to the light shielding film.
  • the second substrate is a flexible substrate.
  • the first substrate is a rigid substrate or a flexible substrate.
  • the display layer is an electrophoretic layer or a liquid crystal layer.
  • the display layer is a microcapsule electrophoretic layer.
  • the display layer is a microcup electrophoretic layer.
  • material of the light shielding adhesive includes black silicon adhesive.
  • the first transparent adhesive and the second transparent adhesive are optical clear adhesive.
  • the light shielding layer includes a transparent adhesive and a light shielding adhesive.
  • the transparent adhesive has the first adhering surface and a third surface opposite to the first adhering surface.
  • the light shielding adhesive has the second adhering surface and a fourth adhering surface opposite to the second adhering surface, and the fourth adhering surface is adhered to the third surface.
  • the light shielding layer includes a light shielding adhesive and a transparent adhesive.
  • the light shielding adhesive has the first adhering surface and a third surface opposite to the first adhering surface.
  • the transparent adhesive has the second adhering surface and a fourth adhering surface opposite to the second adhering surface, and the fourth adhering surface is adhered to the third surface.
  • the light shielding layer adhered to the driving circuit layer can prevent the driving circuit layer from being illuminated by external light rays, and therefore can prevent elements in the driving circuit layer from generating electrical leakage resulted from being illuminated by external light ray.
  • the reflective display apparatus has improved display quality.
  • FIG. 1 is schematic view of a conventional electrophoretic display apparatus.
  • FIG. 2 is schematic view of a reflective display apparatus of an embodiment of the present invention.
  • FIG. 3 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • FIG. 4 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • FIG. 5 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • FIG. 2 is schematic view of a reflective display apparatus of an embodiment of the present invention.
  • the reflective display apparatus 200 includes a first substrate 210 , a second substrate 220 , a display layer 230 and a light shielding layer 240 .
  • the first substrate 210 has a driving circuit layer 212
  • the second substrate 220 has a transparent electrode layer 222 opposite to the driving circuit layer 212 .
  • the display layer 230 is disposed between the driving circuit layer 212 and the transparent electrode layer 222 .
  • the light shielding layer 240 has a first adhering surface 241 and a second adhering surface 243 , wherein the first adhering surface 241 is adhered to the display layer 230 and the second adhering surface 243 is adhered to the driving circuit layer 212 .
  • the reflective display apparatus 200 may be an electrophoretic display apparatus or a liquid crystal display apparatus, but is not limited.
  • the display layer 230 is an electrophoretic layer.
  • the electrophoretic layer can be a microcapsule electrophoretic layer which includes a plurality of microcapsules. Each of the microcapsules includes a plurality of positive particles and a plurality of negative particles, wherein the positive particle and the negative particle have different colors.
  • the electrophoretic layer also can be a microcup electrophoretic layer which includes a plurality of microcups. Each of the microcups includes a plurality of positive particles and a plurality of negative particles, wherein the positive particle and the negative particle have different colors.
  • the display layer 230 is a liquid crystal layer.
  • Material of the transparent electrode layer 222 includes indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide, or indium gallium zinc oxide (IGZO), but is not limited.
  • the first substrate 210 may be a rigid substrate or a flexible substrate.
  • the second substrate 220 may, for example, be a flexible substrate.
  • the driving circuit layer 212 includes a plurality of active elements and a plurality of pixel electrodes, wherein the active elements are, for example, formed in array, and the pixel electrodes respectively and electrically connect to the active elements.
  • the active elements are, for example, thin film transistors.
  • the light shielding layer 240 is, for example, a light shielding adhesive, and material of the light shielding adhesive may include black silicon adhesive.
  • the display layer 230 is adhered to the driving circuit layer 212 of the first substrate 210 by the light shielding layer 240 , and the light shielding layer 240 , for example, covers the entire driving circuit layer 212 .
  • the light shielding layer 240 can not only be used to adhere the display layer 230 to the driving circuit layer 212 of the first substrate 210 , but also can prevent the driving circuit layer 212 from being illuminated by external light rays.
  • the light shielding layer 240 prevents the driving circuit layer 212 from being illuminated by external light rays, and this can prevent the active elements in the driving circuit layer 212 from generating electrical leakage which is resulted from being illuminated by external light rays. Therefore, residual image and cross-talk are eliminated, and the contrast and reflectivity of the reflective display apparatus 200 are improved.
  • the reflective display apparatus 200 of the present embodiment has improved display quality.
  • FIG. 3 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • the reflective display apparatus 200 a is similar to the reflective display apparatus 200 in FIG. 2 , the difference is in the light shielding layer, and therefore the light shielding layer 240 ′ of the reflective display apparatus 200 a is described in details.
  • the light shielding layer 240 ′ of the reflective display apparatus 200 a includes a first transparent adhesive 242 , a second transparent adhesive 244 and a light shielding film 246 , wherein the light shielding film 246 is disposed between the first transparent adhesive 242 and the second transparent adhesive 244 .
  • the first transparent adhesive 242 and the second transparent adhesive 244 are, for example, optical clear adhesive.
  • the first transparent adhesive 242 has a first adhering surface 241 ′ and a third adhering surface 245 opposite to the first adhering surface 241 ′.
  • the second transparent adhesive 244 has a second adhering surface 243 ′ and a fourth adhering surface 247 opposite to the second adhering surface 243 ′.
  • the first adhering surface 241 ′ is adhered to the display layer 230
  • the second adhering surface 243 ′ is adhered to the driving circuit layer 212 of the first substrate 210
  • the third adhering surface 245 and the fourth adhering surface 247 are adhered to the light shielding film 246 .
  • the non-sticky light shielding film 246 is adhered between the driving circuit layer 212 of the first substrate 210 and the display layer 230 by the first transparent adhesive 242 and the second transparent adhesive 244 , so that the light shielding film 246 can prevent the driving circuit layer 212 of the first substrate 210 from being illuminated by external light rays. Therefore, the reflective display apparatus 200 a of the present embodiment has same advantages as the reflective display apparatus 200 .
  • FIG. 4 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • the reflective display apparatus 200 b is similar to the reflective display apparatus 200 in FIG. 2 , the difference is in the light shielding layer, and therefore the light shielding layer 250 of the reflective display apparatus 200 b is described in details.
  • the light shielding layer 250 of the reflective display apparatus 200 b includes a transparent adhesive 252 and a light shielding adhesive 254 .
  • the transparent adhesive 252 has a first adhering surface 251 and a third surface 255 opposite to the first adhering surface 251 .
  • the transparent adhesive 254 has a second adhering surface 253 and a fourth adhering surface 257 opposite to the second adhering surface 253 , and the fourth adhering surface 257 is adhered to the third surface 255 .
  • the first adhering surface 251 is adhered to the display layer 230
  • the second adhering surface 253 is adhered to the driving circuit layer 212 of the first substrate 210
  • the fourth adhering surface 257 is adhered to the third surface 255 .
  • the transparent adhesive 252 is, for example, optical clear adhesive, and material of the light shielding adhesive 254 may include black resin, but is not limited.
  • the transparent adhesive 252 is, for example, adhered to the display layer 230 after the display layer 230 is manufactured. Then, when the display layer 230 is assembled to the first substrate 210 , the transparent adhesive 252 adhered to the display layer 230 is adhered to the first substrate 210 by the light shielding adhesive 254 , so that the display layer 230 is adhered to the first substrate 210 .
  • the light shielding adhesive 254 is used to prevent the driving circuit layer 212 of the first substrate 210 from being illuminated by external light rays. Therefore, the reflective display apparatus 200 b of the present embodiment has same advantages as the reflective display apparatus 200 .
  • FIG. 5 is a schematic view of a reflective display apparatus of another embodiment of the present invention.
  • the reflective display apparatus 200 c is similar to the reflective display apparatus 200 in FIG. 2 , the difference is in the light shielding layer, and therefore the light shielding layer 250 ′ of the reflective display apparatus 200 c is described in details.
  • the light shielding layer 250 ′ of the reflective display apparatus 200 c includes a transparent adhesive 252 ′ and a light shielding adhesive 254 ′.
  • the light shielding adhesive 254 ′ has a first adhering surface 251 ′ and a third surface 255 ′ opposite to the first adhering surface 251 ′.
  • the transparent adhesive 252 ′ has a second adhering surface 253 ′ and a fourth adhering surface 257 ′ opposite to the second adhering surface 253 ′, and the fourth adhering surface 257 ′ is adhered to the third surface 255 ′.
  • the first adhering surface 251 ′ is adhered to the display layer 230
  • the second adhering surface 253 ′ is adhered to the driving circuit layer 212 of the first substrate 210
  • the fourth adhering surface 257 ′ is adhered to the third surface 255 ′.
  • the transparent adhesive 252 ′ is, for example, optical clear adhesive, and material of the light shielding adhesive 254 ′ may include black resin, but is not limited.
  • the light shielding adhesive 254 ′ is, for example, adhered to the display layer 230 after the display layer 230 is manufactured. Then, when the display layer 230 is assembled to the first substrate 210 , the light shielding adhesive 254 ′ adhered to the display layer 230 is adhered to the first substrate 210 by the transparent adhesive 252 ′, so that the display layer 230 is adhered to the first substrate 210 .
  • the light shielding adhesive 254 ′ is used to prevent the driving circuit layer 212 of the first substrate 210 from being illuminated by external light rays. Therefore, the reflective display apparatus 200 c of the present embodiment has same advantages as the reflective display apparatus 200 .
  • the light shielding layer of the reflective display apparatus is adhered to the driving circuit layer, the light shielding layer can be used to prevent the driving circuit layer from being illuminated by external light rays. This can prevent the active elements in the driving circuit layer from generating electrical leakage resulted from being illuminated by external light ray.
  • the reflective display apparatus has improved display quality.
US12/469,616 2009-02-24 2009-05-20 Reflective Display Apparatus Abandoned US20100214647A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/226,088 US9140953B2 (en) 2009-02-24 2011-09-06 Reflective display apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW098105849A TWI387831B (zh) 2009-02-24 2009-02-24 反射式顯示裝置
TW098105849 2009-02-24

Related Child Applications (1)

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US13/226,088 Continuation US9140953B2 (en) 2009-02-24 2011-09-06 Reflective display apparatus

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US20100214647A1 true US20100214647A1 (en) 2010-08-26

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US12/469,616 Abandoned US20100214647A1 (en) 2009-02-24 2009-05-20 Reflective Display Apparatus
US13/226,088 Active 2030-01-03 US9140953B2 (en) 2009-02-24 2011-09-06 Reflective display apparatus

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US13/226,088 Active 2030-01-03 US9140953B2 (en) 2009-02-24 2011-09-06 Reflective display apparatus

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US (2) US20100214647A1 (ja)
EP (1) EP2221661A3 (ja)
JP (1) JP5290850B2 (ja)
KR (1) KR20100096972A (ja)
TW (1) TWI387831B (ja)

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CN108227333A (zh) 2018-01-19 2018-06-29 无锡威峰科技股份有限公司 一种显示电浆模组及其制造方法
KR102242292B1 (ko) * 2018-01-19 2021-04-21 우시 비전 피크 테크놀로지 컴퍼니 리미티드 고해상도 디스플레이 플라즈마 모듈과 그 제조방법
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Publication number Publication date
TWI387831B (zh) 2013-03-01
JP2010197983A (ja) 2010-09-09
US20110317251A1 (en) 2011-12-29
KR20100096972A (ko) 2010-09-02
EP2221661A2 (en) 2010-08-25
EP2221661A3 (en) 2012-01-25
JP5290850B2 (ja) 2013-09-18
US9140953B2 (en) 2015-09-22
TW201031984A (en) 2010-09-01

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