WO2000008825A1 - Display cover - Google Patents
Display cover Download PDFInfo
- Publication number
- WO2000008825A1 WO2000008825A1 PCT/SE1999/001273 SE9901273W WO0008825A1 WO 2000008825 A1 WO2000008825 A1 WO 2000008825A1 SE 9901273 W SE9901273 W SE 9901273W WO 0008825 A1 WO0008825 A1 WO 0008825A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protective film
- display
- display cover
- frame
- polyurethane
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/909—Resilient layer, e.g. printer's blanket
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
- Y10T428/24793—Comprising discontinuous or differential impregnation or bond
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
Definitions
- the present invention relates to a display cover, e.g. for mobile phones, said display cover being intended to be applied over a display of a device.
- the invention also relates to a method for manufacturing a display cover according to the present invention.
- a protective film attached to the display of the mobile phone.
- the purpose of said protective film is not for permanent use but it is intended to constitute a protection for transport, said protection being removed when the use of the mobile phone is initiated. This means that the display of the mobile phone is unprotected when the mobile phone is put into use.
- the material of the protective film or its adhesion against the display is not of such a quality that it is suitable for permanent use.
- said protective film is not completely transparent and damage of the protective film will occur after some time of normal use of the mobile phone, e.g. in the shape of scratches and other wear. This will to a further degree make it more difficult to read the information disclosed in the display. It is also likely that the protective film will loosen, the loosening beginning in the corner areas of the protective film, which eventually results in that the entire protective film loosens from the display.
- a primary object of the present invention is on one hand to provide an effective protection against scratches and other wear of a display and on the other hand to provide a protection against shocks and impacts for said display and adjacent areas of the equipment having said display.
- a further object of the display cover according to the present invention is that at least a part of the display cover should be self -restoring to a certain extent. At least the primary object of the present invention is achieved by means of a display cover that has been given the features defined in the appending independent claim. Preferred embodiments of the invention are defined in the independent claims .
- Figure 1 shows a perspective view of the cutting of a sheet of a primary material of the protective film of the display cover
- Figure 2 shows a perspective view of the cut out sheet where adhesion coating has been applied on certain areas, a portion of said areas being disclosed in a larger scale
- Figure 3 shows a perspective view where cutting out of blanks for the display cover is effected, such a blank being disclosed in a larger scale
- Figure 4a shows a perspective view of the blank according to figure 3
- Figure 4b shows a top view of the blank according to figure 3
- Figure 5a shows a perspective view of the blank according to figure 3 when a shot of material is applied to said blank, said material in hardened state being shock absorbing
- Figure 5b shows a top view of the blank according to figure 3 when a shot of a material is applied to said blank, said material in hardened state being shock absorbing
- Figure 6a shows a perspective view illustrating how the material, that in
- Figure 9 shows a section along A-A in figure 8; and Figure 10 shows a top view of a mobile phone, a display cover according to the present invention being mounted on said mobile phone.
- the manufacturing of the display cover according to the present invention starts with the cutting of a sheet of a protective film 1 of a PVC material having an additional plasticizer that makes the material both durable against scratches and shock absorbing.
- the protective film 1 is relatively thick, suitable thickness being in the interval 0,2 -0,5 mm.
- a basic requirement for the present PVC material is a very high optical clearness and a very high resistance against scratches and impacts. It is also preferable if said PVC material is suitable for screen printing since the protective film 1 usually will be equipped with a printing, e.g. a company logotype or other information, see below.
- a suitable commercially available PVC material for the protective film 1 has turned out to be Clearshield ® .
- the cut out sheet is acclimatized for printing (pre- shrinked) in order to eliminate inherent stresses in the primary material.
- an adhesion coating 3 is applied or screened to the portions of the protective film 1 that will constitute a frame 9 of the display cover according to the present invention.
- a non- adhesion coating in the shape of a narrow delimiting frame 6 is applied or screened to the portions that will constitute the display windows 5 of the display cover according to the present invention, see the enlarged detail in figure 2.
- Said delimiting frame 6 extends around the entire display window 5 and the width is suitably about 1 mm.
- the frame 9, to which the adhesion coating has been applied has a good bond strength relative to the polyurethane that will be applied in a later state, see below.
- a screen printing e.g. in the shape of a company logotype
- screen printing is effected on a suitable portion of the protective film 1, see the finished display cover in figure 10.
- Said screen printing will be located on the portion of the protective film 1 that has been treated with adhesion coating.
- the sheet of protective film 1 is stamped out to suitable shape, i.e. excessive material is removed.
- blanks 7 for the display cover according to the present invention are achieved, said blanks 7 having a display window 5 with a delimiting frame 6 of non- adhesion coating and a surrounding frame 9 that has been treated with adhesion coating.
- FIG 4a and 4b such a blank 7 is disclosed.
- FIG 5a and 5b is illustrated how polyurethane (resin) 10, via a nozzle 11, is applied to the blank 7 in liquid state. Two components are mixed and fed via said nozzle 11. The amount of polyurethane 10 that is applied in liquid state is controlled by the surface that is to be coated and the coatings applied to the blank 7.
- the polyurethane 10 applied in liquid state, will spread on the frame 9 that has been treated with adhesion coating.
- the delimiting frame 6 of non-adhesion coating will prevent the polyurethane 10 from spreading on the display window 5.
- the in liquid state applied polyurethane 10 When the applying of the polyurethane 10 has ceased, see figures 6a and 6b, the in liquid state applied polyurethane 10, due to its surface tension, will assume the shape of an elevated protective frame 13.
- the polyurethane 10 will gather on and adhere to the portion of the blank 7 that is treated with adhesion coating and located around the display window 5 itself, i.e. the frame 9.
- the arrows 14 in figure 6b illustrate how the polyurethane 10 contracts and evens out the area of supply of the polyurethane 10.
- The, in liquid state applied, polyurethane 10 has thus created an elevated protective frame 13 on the blank 7 around the display window 5, see figures 7a and 7b.
- the protective frame 13, consisting of polyurethane 10 is deep hardened in a heating chamber for a period of 24 to 48 hours. Thereby, the polyurethane 10 has a molecular bond to the protective film 1.
- FIG 8 and 9 a finished display cover according to the present invention is shown in a larger scale. Especially from figure 9 it is learnt how the protective frame 13 is applied to the protective film 1 and forms an elevation around the display window 5. Despite the fact that the delimiting frame 6 has not been removed from the display window 5, said delimiting frame 6 has not been drawn in figures 8 and 9 since said the frame normally is transparent and has no longer any function after the hardening of the polyurethane 10.
- the elevated protective frame 13 of polyurethane, formed in the described way, has the property of being shock absorbing and partly self-restoring against surface damage.
- both the protective film and the frame are shock absorbing the display cover according to the present o invention has an extremely good shock absorbing ability in the area where the protective film and the frame overlap each other.
- the protective frame 13 preferably has a thickness in the interval 1,5 - 3 mm.
- the actual mounting is preferably carried out by adhesion and a laminating adhesive has turned out to be suitable, said laminating adhesive being marketed by 3M from the 200 MP-series and used in connection with adhesion that requires high optical clearness.
- the laminating adhesive is applied as a sticky layer on the side of the display cover that will adhere to the mobile phone or other device having a display.
- Preferably the laminating adhesive is applied over the entire pending side of the display cover.
- a foil or paper sheet may be applied to the sticky layer, said foil/paper sheet being removed in connection with the mounting of the display cover.
- the temporary protective film that has been described under the headline Prior Art is removed.
- the display cover according to the present invention has normally also an effect on the light refraction, the result of this being that the signs that are visible through the display window 5 are somewhat enlarged. This leads to that it becomes easier to read said signs.
- the display cover disclosed in said figure is equipped with for instance a company logotype at the top of said display cover.
- said company logotype is screen printed on the protective film 1 before the polyurethane is applied, see figures 5a and 5b.
- the polyurethane is transparent, which means that the company logotype is visible through the protective frame 13 of polyurethane.
- the elevated frame of polyurethane may either be manufactured in a coloured or uncoloured material. Further said frame may also be manufactured in a different material than polyurethane, said different material being suitable for the appliance in question.
- text/objects may be screen printed on the protective film.
- other printing techniques e.g. offset printing and/or embossing.
- the embodiment described above of the display cover according to the present invention refers to a display cover for a mobile phone.
- other areas of appliance for the display cover are feasible and in exemplifying and non-restricting purpose watches and instruments equipped with a display may be mentioned.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Telephone Set Structure (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Liquid Crystal Substances (AREA)
- Liquid Crystal (AREA)
- Laminated Bodies (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000564353A JP4543126B2 (en) | 1998-07-23 | 1999-07-15 | Display cover |
EP99943524A EP1099331B1 (en) | 1998-07-23 | 1999-07-15 | Display cover |
US09/743,955 US6630228B1 (en) | 1998-07-23 | 1999-07-15 | Display cover |
AU56599/99A AU5659999A (en) | 1998-07-23 | 1999-07-15 | Display cover |
CA002338350A CA2338350C (en) | 1998-07-23 | 1999-07-15 | Display cover |
DE69934586T DE69934586T2 (en) | 1998-07-23 | 1999-07-15 | DISPLAY COVER |
NO20010308A NO20010308L (en) | 1998-07-23 | 2001-01-19 | Display Protection |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802599-2 | 1998-07-23 | ||
SE9802599A SE514286C2 (en) | 1998-07-23 | 1998-07-23 | Display protection and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000008825A1 true WO2000008825A1 (en) | 2000-02-17 |
Family
ID=20412139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1999/001273 WO2000008825A1 (en) | 1998-07-23 | 1999-07-15 | Display cover |
Country Status (10)
Country | Link |
---|---|
US (1) | US6630228B1 (en) |
EP (1) | EP1099331B1 (en) |
JP (1) | JP4543126B2 (en) |
AT (1) | ATE349847T1 (en) |
AU (1) | AU5659999A (en) |
CA (1) | CA2338350C (en) |
DE (1) | DE69934586T2 (en) |
NO (1) | NO20010308L (en) |
SE (1) | SE514286C2 (en) |
WO (1) | WO2000008825A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002054509A1 (en) * | 2000-12-29 | 2002-07-11 | Vertu Ltd | A device with a loudspeaker and an ear piece cover |
WO2002054716A2 (en) * | 2000-12-29 | 2002-07-11 | Vertu Ltd. | A casing |
US7454014B2 (en) | 2000-12-29 | 2008-11-18 | Vertu Limited | Device with a loudspeaker and an ear piece cover |
US7711400B2 (en) | 2000-12-29 | 2010-05-04 | Vertu Limited | Casing |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030013418A1 (en) * | 2000-02-01 | 2003-01-16 | Shigeru Kato | Portable communication apparatus |
FR2818763A1 (en) * | 2000-12-26 | 2002-06-28 | Koninkl Philips Electronics Nv | ELECTRONIC DEVICE COMPRISING A DISPLAY DEVICE FORMING A CONTROL BUTTON |
KR200254130Y1 (en) * | 2001-08-21 | 2001-11-23 | (주) 태양기전 | Window for cellular phone |
CA2432397A1 (en) * | 2003-06-25 | 2004-12-25 | Hydro-Quebec | Procedure for preparing an electrode from porous silicon, the electrode so obtained, and an electrochemical system containing at least one such electrode |
JP4021925B2 (en) * | 2004-02-20 | 2007-12-12 | 日本写真印刷株式会社 | Protective panel for electronic device display window and method for manufacturing protective panel |
US7193581B2 (en) * | 2004-06-01 | 2007-03-20 | Miltope Corporation | Electronic equipment shock isolation/protection bumper, with integrated antenna |
RU2007100155A (en) * | 2004-06-08 | 2008-07-20 | Эвери Деннисон Копэрейшн (Us) | METHOD FOR MANUFACTURING AN INDIVIDUALIZED PRODUCT, METHOD AND SYSTEM FOR PRODUCING STICKERS FOR STICKING ON THE PRODUCT, PRODUCT WITH A STICKER AND STICKER FOR IT ON THE SURFACE |
US20060040081A1 (en) * | 2004-08-23 | 2006-02-23 | Hodsdon Jerry G | Apparatus, system, and method for personalizing a portable electronic device |
KR100700000B1 (en) * | 2004-10-19 | 2007-03-26 | 삼성에스디아이 주식회사 | Display device and fabricating method of the same |
US7914869B2 (en) | 2005-04-18 | 2011-03-29 | Avery Dennison Corporation | Mobile device label with negative image feature |
ATE391902T1 (en) * | 2005-06-09 | 2008-04-15 | Fro S P A | USE OF A PRESSURE TRANSDUCER ATTACHED WITH A PROTECTIVE FILM |
US7643274B2 (en) * | 2006-04-21 | 2010-01-05 | Tech Shell Inc. | Protective cover for laptop computer |
US8709141B2 (en) * | 2007-03-02 | 2014-04-29 | Ppg Industries Ohio, Inc. | Heat releasable composite coatings and related methods |
US7666511B2 (en) | 2007-05-18 | 2010-02-23 | Corning Incorporated | Down-drawable, chemically strengthened glass for cover plate |
US8652575B2 (en) * | 2010-01-19 | 2014-02-18 | Xerox Corporation | Ink compositions |
KR101079721B1 (en) | 2011-05-06 | 2011-11-03 | (주)일신테크 | A cover gluing mehhod of cellular phone |
CN103068191A (en) * | 2011-10-21 | 2013-04-24 | 深圳富泰宏精密工业有限公司 | Electronic device housing case and manufacturing method thereof |
KR102089335B1 (en) * | 2013-11-25 | 2020-03-16 | 엘지디스플레이 주식회사 | Display Device and Manufacturing Method of the same |
US10015297B2 (en) | 2015-09-08 | 2018-07-03 | Apple Inc. | Display cover retention features for a portable electronic device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004320A (en) * | 1987-12-10 | 1991-04-02 | Mitsubishi Denki Kabushiki Kaisha | Anti-reflection device for a VDT |
US5214794A (en) * | 1991-03-26 | 1993-05-25 | Ericsson Radio Systems Bv | Design covering and a housing for a pager |
EP0841680A1 (en) * | 1996-11-11 | 1998-05-13 | Sony Corporation | Explosion-proof film and cathode-ray tube |
WO1998023077A1 (en) * | 1996-11-20 | 1998-05-28 | Ericsson Inc. | Protective cover for portable radiotelephone |
US5768370A (en) * | 1997-01-08 | 1998-06-16 | Nokia Mobile Phones, Ltd. | User changeable cosmetic phone interface |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0325389Y2 (en) * | 1985-02-22 | 1991-06-03 | ||
US5613223A (en) * | 1994-01-28 | 1997-03-18 | Amsc Subsidiary Corporation | Mobile communicator bracing system |
JPH09314775A (en) * | 1996-05-27 | 1997-12-09 | Teijin Ltd | Easily adherent film and laminate using the same |
JP2883061B2 (en) * | 1996-06-21 | 1999-04-19 | 有限会社カレクトコーポレーション | Protective plate for information display unit and device with information display unit having this protective plate |
-
1998
- 1998-07-23 SE SE9802599A patent/SE514286C2/en not_active IP Right Cessation
-
1999
- 1999-07-15 JP JP2000564353A patent/JP4543126B2/en not_active Expired - Fee Related
- 1999-07-15 CA CA002338350A patent/CA2338350C/en not_active Expired - Fee Related
- 1999-07-15 US US09/743,955 patent/US6630228B1/en not_active Expired - Fee Related
- 1999-07-15 EP EP99943524A patent/EP1099331B1/en not_active Expired - Lifetime
- 1999-07-15 WO PCT/SE1999/001273 patent/WO2000008825A1/en active IP Right Grant
- 1999-07-15 AT AT99943524T patent/ATE349847T1/en not_active IP Right Cessation
- 1999-07-15 AU AU56599/99A patent/AU5659999A/en not_active Abandoned
- 1999-07-15 DE DE69934586T patent/DE69934586T2/en not_active Expired - Lifetime
-
2001
- 2001-01-19 NO NO20010308A patent/NO20010308L/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5004320A (en) * | 1987-12-10 | 1991-04-02 | Mitsubishi Denki Kabushiki Kaisha | Anti-reflection device for a VDT |
US5214794A (en) * | 1991-03-26 | 1993-05-25 | Ericsson Radio Systems Bv | Design covering and a housing for a pager |
EP0841680A1 (en) * | 1996-11-11 | 1998-05-13 | Sony Corporation | Explosion-proof film and cathode-ray tube |
WO1998023077A1 (en) * | 1996-11-20 | 1998-05-28 | Ericsson Inc. | Protective cover for portable radiotelephone |
US5768370A (en) * | 1997-01-08 | 1998-06-16 | Nokia Mobile Phones, Ltd. | User changeable cosmetic phone interface |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002054509A1 (en) * | 2000-12-29 | 2002-07-11 | Vertu Ltd | A device with a loudspeaker and an ear piece cover |
WO2002054716A2 (en) * | 2000-12-29 | 2002-07-11 | Vertu Ltd. | A casing |
WO2002054716A3 (en) * | 2000-12-29 | 2003-05-15 | Vertu Ltd | A casing |
US7454014B2 (en) | 2000-12-29 | 2008-11-18 | Vertu Limited | Device with a loudspeaker and an ear piece cover |
US7711400B2 (en) | 2000-12-29 | 2010-05-04 | Vertu Limited | Casing |
Also Published As
Publication number | Publication date |
---|---|
CA2338350A1 (en) | 2000-02-17 |
DE69934586D1 (en) | 2007-02-08 |
DE69934586T2 (en) | 2007-10-04 |
ATE349847T1 (en) | 2007-01-15 |
EP1099331A1 (en) | 2001-05-16 |
SE9802599L (en) | 2000-01-24 |
EP1099331B1 (en) | 2006-12-27 |
JP2002522966A (en) | 2002-07-23 |
US6630228B1 (en) | 2003-10-07 |
JP4543126B2 (en) | 2010-09-15 |
CA2338350C (en) | 2008-02-19 |
SE9802599D0 (en) | 1998-07-23 |
NO20010308D0 (en) | 2001-01-19 |
AU5659999A (en) | 2000-02-28 |
NO20010308L (en) | 2001-03-22 |
SE514286C2 (en) | 2001-02-05 |
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