EP1210705A2 - Anzeige mit fluessigkeitskristall-bildschirm - Google Patents

Anzeige mit fluessigkeitskristall-bildschirm

Info

Publication number
EP1210705A2
EP1210705A2 EP00927862A EP00927862A EP1210705A2 EP 1210705 A2 EP1210705 A2 EP 1210705A2 EP 00927862 A EP00927862 A EP 00927862A EP 00927862 A EP00927862 A EP 00927862A EP 1210705 A2 EP1210705 A2 EP 1210705A2
Authority
EP
European Patent Office
Prior art keywords
lcd panel
signboard
advertising contents
pattern
contents pattern
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.)
Withdrawn
Application number
EP00927862A
Other languages
English (en)
French (fr)
Inventor
Lim Choi
Chang-Su Bae
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.)
LCD SIGN CO., LTD
Original Assignee
Individual
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
Priority claimed from KR1019990021471A external-priority patent/KR20000075367A/ko
Priority claimed from KR1020000008582A external-priority patent/KR20010082986A/ko
Application filed by Individual filed Critical Individual
Publication of EP1210705A2 publication Critical patent/EP1210705A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals

Definitions

  • the present invention relates to a signboard and. more particularly, to a signboard using a liquid crystal display (LCD) panel which is designed having a predetermined advertising pattern attached on at least one surface of the LCD panel.
  • LCD liquid crystal display
  • the lightless signboard comprises an acrylic panel and a sheet of advertising pattern attached on a surface of the acrylic panel.
  • the advertising pattern is made of an opaque or translucent color sheet.
  • the lighted signboard comprises a box-shaped case, an acrylic panel attached on a front surface of the case, a sheet advertising pattern attached on a surface of the acrylic panel, and a light disposed within the case.
  • the advertising pattern is also made of an opaque or translucent color sheet.
  • the effectiveness of the advertisement is significantly reduced at night.
  • the lighted signboard is highly effective at night.
  • such an effect can not be obtained during daylight hours because of the weak luminous intensity of the light.
  • Neon signboards which can greatly enhance the ability to catch the attention of those within visibility range at night, are also widely used. However, such neon signboards are even less effective than the other two types of signboards during the day.
  • FIG. 9 shows a conventional signboard using an LCD panel.
  • the signboard comprises an LCD panel 90 provided with ITO segment electrodes 91 which correspond to advertising contents (e.g.. letters. numbers and symbols), a rear polarizing panel 92 that is attached on a rear surface of the LCD panel, a reflecting panel 93 attached on the first polarizing panel 92. and a second polarizing panel 94 having a different polarizing direction from the first polarizing panel 92 and attached on a front surface of the LCD panel 90.
  • ITO segment electrodes 91 which correspond to advertising contents (e.g. letters. numbers and symbols)
  • a rear polarizing panel 92 that is attached on a rear surface of the LCD panel
  • a reflecting panel 93 attached on the first polarizing panel 92.
  • a second polarizing panel 94 having a different polarizing direction from the first polarizing panel 92 and attached on a front surface of the LCD panel 90.
  • the present invention provides a signboard comprising at least one LCD panel with more than one non-designed segment electrode, and an advertising contents pattern defined on at least one of surfaces of the LCD panel.
  • the segment electrode is formed of a plate electrode or a plurality of dot electrodes formed on a front substrate of the LCD panel.
  • the LCD panel is divided into a plurality of sections each with an independent segment electrode.
  • the advertising contents pattern is defined by attaching a polarizing or reflecting film on a front surface of the LCD panel.
  • the advertising contents pattern may be defined by printing or depositing paint on a front surface of the LCD panel.
  • the signboard may further comprise a front polarizing plate attached on a front surface of the LCD panel while covering the advertising contents pattern, a rear polarizing plate attached on a rear surface of the LCD panel, and a reflecting plate attached on the rear polarizing plate.
  • the signboard may further comprise a front polarizing plate disposed between a front surface of the LCD panel and the advertising contents pattern.
  • the segment electrodes disposed within each of the sections are controlled by a control part.
  • the LCD panel is driven by a solar battery cell.
  • Fig. 1 is a perspective view of a signboard using an LCD panel according to a first embodiment of the present invention
  • Fig. 2 is an exploded perspective view of a signboard using an LCD panel according to a second embodiment of the present invention:
  • Fig. 3 is an exploded perspective view of a signboard using an LCD panel according to a third embodiment of the present invention
  • Fig. 4 is a perspective view of a signboard using an LCD panel according to a fourth embodiment of the present invention
  • Figs. 5a to 5c are example views illustrating conventional signboard assemblies where a signboard using an LCD panel according to the present invention is employed;
  • Fig. 6a is an exploded perspective view of a signboard using an LCD panel according to a fifth embodiment of the present invention.
  • Fig. 6b is a sectional view taken along line I-I of Fig. 6a when the signboard is assembled;
  • Fig. 7 is a perspective, partly-broken view of a signboard using an LCD panel according to a sixth embodiment of the present invention.
  • Fig. 8 is a perspective, partly-broken view of a signboard using an LCD panel according to a sixth embodiment of the present invention.
  • Fig. 9 is an exploded perspective view of a conventional signboard using an
  • Fig. 1 shows a signboard using an LCD panel according to a first embodiment of the present invention.
  • an LCD panel 1 comprises a pair of substrates 2 and
  • An advertising contents pattern 10 is formed on a front surface of the LCD panel 1. Disposed inside the LCD panel 1 is a segment electrode 100 designed to be driven when electric power is applied thereto to operate the liquid crystal panel 1 between a bright mode and a dark mode.
  • the segment electrode 100 is not designed in a specific advertising pattern, but disposed through an entire screen surface of the LCD panel. Therefore, when electric power is applied to the segment electrode 100. all of the liquid crystal molecules change their phases to turn the LCD panel on. thereby resulting in the bright mode.
  • the segment electrode 100 may be made of a strip-shaped ITO electrode having a size corresponding to the screen size of the LCD panel or a plurality of dot-shaped ITO electrodes dispersed throughout the entire screen of the LCD panel 1.
  • the advertising contents pattern 10 may be formed by a polarizing film or an opaque film which is designed corresponding to desired advertising contents and attached on the front screen of the LCD panel 1.
  • the advertising contents pattern 10 may be formed by printing or depositing paint on the screen surface of the LCD panel to define a desired design corresponding to the advertising contents.
  • the above described signboard displays the advertising contents when the advertising contents pattern 10 is differently displayed from the LCD screen by applying electric power to the segment electrode 100. That is. when the electric power is applied to the segment electrode 100.
  • the LCD panel 1 is driven in the dark mode, while the advertising contents pattern 10 is displayed in a bright mode by reflecting light radiated through the LCD panel 1. thereby clearly displaying the advertising contents.
  • Fig. 2 shows a signboard using an LCD panel according to a second embodiment of the present invention.
  • front and rear polarizing plates 4 and 5. attached on front and rear surfaces of an LCD panel 1 are front and rear polarizing plates 4 and 5. respectively.
  • a reflecting plate 6 is attached on the rear plate 5.
  • a strip or dot-shaped segment electrode 100 Disposed inside the LCD panel 1 is a strip or dot-shaped segment electrode 100.
  • An advertising contents pattern 10 is formed on the front polarizing plate 4.
  • the advertising contents pattern 10 may be formed of a polarizing film or an opaque film which is designed corresponding to a desired advertising contents and attached on the front polarizing plate 4.
  • the advertising contents pattern 10 may be formed by printing or depositing paint on the front polarizing plate 4 to define a pattern corresponding to the advertising contents on the screen of the LCD panel.
  • the LCD panel 1 is driven in the dark mode, while the advertising contents pattern 10 is displayed in a bright mode by reflecting light radiated through the LCD panel 1. thereby clearly displaying the advertising contents.
  • Fig. 3 shows a signboard using an LCD panel according to a third embodiment of the present invention.
  • an advertising contents pattern 10 formed on a front surface of an LCD panel 1 is an advertising contents pattern 10.
  • a front polarizing plate 4 is attached on the front surface of the LCD panel while covering the advertising contents pattern 10.
  • Attached on a rear surface of the LCD panel is a rear polarizing plate 5.
  • Disposed inside the LCD panel 1 is a plate or dot-shaped segment electrode
  • the advertising contents pattern 10 may be defined by polarizing, opaque, or oriented polypropylene. That is, any film which can reflect light may be used to define the advertising contents pattern 10. Therefore, when the electric field is applied to the segment electrode 100, the
  • the LCD panel 1 is driven in the dark mode, while the advertising contents pattern 10 is displayed in a bright mode by reflecting light radiated through the LCD panel 1. thereby clearly displaying the advertising contents.
  • Fig. 4 shows a signboard using an LCD panel according to a fourth embodiment of the present invention.
  • an LCD panel 1 is divided into, for example, six sections by dividing lines la. lb. lc. Id and le, and segment electrodes 100. 101. 102. 103, 104, 105 each defining an independent display screen are disposed inside the respective one of the sections of the LCD panel 1.
  • each of the segment electrodes is not designed in a specific shape, but disposed through an entire screen surface of each section.
  • An advertising contents pattern 10 for defining advertising contents on each of the sections is formed on a front surface of the LCD panel.
  • Solar battery cells 20 are mounted on one side wall of the LCD panel 1.
  • the solar battery cells 20 apply electric power to the segment electrodes 100. 101. 102. 103. 104 and 105 in sequence or at random in accordance with signals from a control part 30, thereby variably displaying the advertising contents defined by the advertising contents pattern 10.
  • the electric source is not limited to the solar battery cells and it is possible to use other types of electric sources.
  • the solar battery cell has the advantage of enabling the signboard to be used as a road signboard. a road warning sign, or other such signs in which the supply of electricity is difficult or impossible.
  • each of the segment electrodes 100. 101. 102. 103. 104 and 105 is independently controlled by the control part 30. it is possible to display the advertising contents in a motion picture image mode as well as a variable mode.
  • a supporting member 40 is further formed on a rear surface of the LCD panel 1 so that the signboard can be removably mounted to any place.
  • Figs. 5a. 5b and 5c show examples when the signboards of the present invention is employed to a conventional signboard.
  • the signboard of the present invention may be employed on a conventional signboard 50 such that the advertising contents pattern 10 occupies a portion of a front surface of a conventional signboard 50 as shown in Fig. 5a or an entire front surface of the conventional signboard 50 as shown in Fig. 5b.
  • more than two signboards of the present invention may be formed on portions of the front surface of a conventional signboard 50 such that the advertising contents patterns 10 of each signboard can be displayed in sequence.
  • Fig. 6a shows a signboard using an LCD panel according to a fifth embodiment of the present invention
  • Fig. 6b shows an assembled state of the signboard depicted in Fig. 6a.
  • an LCD panel 1 is divided into, for example, two sections by a dividing line la. and segment electrodes 100 and 101 are disposed inside the two sections, respectively.
  • Front and rear advertising contents patterns 10 and 10a are defined on front and rear surfaces of the LCD panel 1. respectively.
  • a color sheet 60 designed corresponding to the rear advertising contents pattern 10a, is correspondingly attached on the rear advertising contents pattern 10a.
  • the LCD panel may be divided into more than two sections according to the advertising contents to be displayed.
  • the advertising contents patterns 10 and 10a may be formed of a polarizing, reflecting or opaque film.
  • the signboard of this embodiment is installed into a signboard case 70 by a bracket (not shown).
  • the signboard case 70 is comprised of front, side and rear plates 71. 72 and 73 which may be preferably made of opaque or translucent film.
  • a floodlighting portion 74 having an identical shape to that of the advertising contents pattern 10 is defined on the front plate 71.
  • the floodlighting part 74 is defined by cutting off a portion of the front plate 71 or forming a portion of the front plate 71 using a transparent material, such that the advertising contents appearing on the advertising contents pattern 10 can be displayed on the front plate 71.
  • a light 75 is installed on the rear plate 73 inside the case 70.
  • the light may be installed on an upper side of the front plate outside the case.
  • a translucent, opaque or reflecting film may be disposed on a rear side of the LCD panel 1.
  • Fig. 7 shows a signboard using an LCD panel according to a sixth embodiment of the present invention.
  • an LCD panel 1 is installed on a front side of a signboard case 70, and an advertising contents pattern 10 is formed on the front surface of the LCD panel 1.
  • the LCD panel 1 is divided into a plurality of sections la to Ik, and a plurality of segment electrodes 100 to 1 1 1 are disposed inside the sections la to
  • a rear polarizing plate 5 and a color sheet 60 are attached on a rear surface of the LCD panel in this order.
  • a front polarizing plate 4 is attached on the LCD 1 while covering the advertising contents pattern 10.
  • Light radiated by the light source 75 is directed to the advertising contents pattern 10 through the color sheet 60. the rear polarizing plate 5, and the LCD panel 1. then reflected by the advertising contents pattern 10. thereby variably displaying the advertising contents at night. During daytime, the advertising contents appearing as a result of the advertising contents pattern 10 is clearly displayed.
  • a plurality of LCD panels 1. each divided into a plurality of sections, can be used as one signboard by being coupled to each other. In this case, the a greater degree of variable advertising contents can be displayed.
  • Fig. 8 shows a signboard using an LCD panel according to a seventh embodiment of the present invention.
  • openings 71a are formed on upper and lower sides of a front plate 71 of a signboard case 70. and an LCD panel 1 is mounted on an inner surface of the front plate 71 such that it is exposed through the openings 71a.
  • An advertising contents pattern 10 is formed on the front surface of the LCD panel 1. and a front polarizing plate 4 is attached on the advertising contents pattern 10 and the openings 71a of the front plate 71.
  • a rear polarizing plate 5 and a color sheet 60 are attached on the rear surface of the LCD panel in this order.
  • An additional advertising pattern 10b is formed on the front plate 71 of the case 70.
  • the color sheet 60 is made of a translucent material and selected from a variety of colors.
  • the color of the advertising contents to be displayed depends on the color of the color sheet 60.
  • the advertising effect when electric power is not applied to the light source 75 and the LCD panel 1, the advertising effect is identical to that obtained from a conventional lightless signboard. However, when electric power is applied to the light source 75 and the LCD panel 1 , a substantially enhanced advertising effect can be obtained by the light radiated from the light source 75.
  • the LCD panel 1 can be driven at night by the solar battery cells 20 converting light radiated from the light source 75 into electric energy.
  • the LCD panel 1 is driven during daytime by sunlight.
  • the advertising contents can be easily changed by replacing only the advertising contents pattern with the new one corresponding to the new advertising contents.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Liquid Crystal (AREA)
EP00927862A 1999-05-12 2000-05-08 Anzeige mit fluessigkeitskristall-bildschirm Withdrawn EP1210705A2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
KR9908094U 1999-05-12
KR19990008095 1999-05-12
KR9908095U 1999-05-12
KR19990008094 1999-05-12
KR9921471 1999-06-09
KR1019990021471A KR20000075367A (ko) 1999-05-12 1999-06-09 액정패널을 이용한 광고판
KR1020000008582A KR20010082986A (ko) 2000-02-22 2000-02-22 액정패널을 이용한 광고판
KR2000008582 2000-02-22
PCT/KR2000/000431 WO2000070593A2 (en) 1999-05-12 2000-05-08 Signboard using liquid crystal display panel

Publications (1)

Publication Number Publication Date
EP1210705A2 true EP1210705A2 (de) 2002-06-05

Family

ID=27483347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00927862A Withdrawn EP1210705A2 (de) 1999-05-12 2000-05-08 Anzeige mit fluessigkeitskristall-bildschirm

Country Status (10)

Country Link
EP (1) EP1210705A2 (de)
JP (1) JP2003507751A (de)
KR (1) KR20010112141A (de)
CN (1) CN1369090A (de)
AU (1) AU4617500A (de)
CA (1) CA2373840C (de)
HK (1) HK1049727A1 (de)
MX (1) MXPA01011427A (de)
NZ (1) NZ514565A (de)
WO (1) WO2000070593A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477977B1 (ko) * 2001-10-16 2005-03-23 (주)엘씨디싸인 액정패널을 이용한 광고장치
JP4586332B2 (ja) * 2003-04-25 2010-11-24 ソニー株式会社 表示装置
KR100643196B1 (ko) * 2004-10-28 2006-11-10 (주) 폭스힐 액정패널을 이용한 광고장치
KR100740147B1 (ko) * 2004-11-03 2007-07-18 이선욱 엘시디 광 셔터를 이용한 칼라 정보표시장치
JP4147559B2 (ja) * 2005-01-31 2008-09-10 新和工業株式会社 キーホルダー用又はアクセサリー用液晶表示装置
KR100771403B1 (ko) * 2006-08-08 2007-11-02 범재룡 무전원 디지털 액자 및 그 제어방법
CN102968955B (zh) * 2012-11-28 2015-12-09 京东方科技集团股份有限公司 一种动态显示装置
CN108074509B (zh) * 2018-01-25 2020-08-14 台州市皓仔邦工业设计有限公司 定向旋转偏光反射广告改进装置及其控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774723A (en) * 1980-10-29 1982-05-11 Hitachi Ltd Liquid-crystal display device
CA1268271C (en) * 1987-11-06 1990-04-24 ANIMATED ELECTRO-OPTICAL DISPLAYS AND INDICATORS
KR940007398B1 (ko) * 1992-07-01 1994-08-18 최민기 살균기
WO1995027279A1 (en) * 1994-03-29 1995-10-12 Pricepoint, Inc. Display module
KR100247818B1 (ko) * 1995-09-26 2000-03-15 손욱 액정 표시 장치
JP3560467B2 (ja) * 1998-03-19 2004-09-02 株式会社キングジム 文字入力装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0070593A2 *

Also Published As

Publication number Publication date
MXPA01011427A (es) 2003-07-21
CA2373840A1 (en) 2000-11-23
CN1369090A (zh) 2002-09-11
WO2000070593A2 (en) 2000-11-23
CA2373840C (en) 2007-04-24
HK1049727A1 (zh) 2003-05-23
AU4617500A (en) 2000-12-05
NZ514565A (en) 2006-10-27
KR20010112141A (ko) 2001-12-20
JP2003507751A (ja) 2003-02-25
WO2000070593A3 (en) 2001-05-17

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