WO2014091829A1 - モバイルディスプレイ用カバーガラス及びモバイルディスプレイ - Google Patents

モバイルディスプレイ用カバーガラス及びモバイルディスプレイ Download PDF

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Publication number
WO2014091829A1
WO2014091829A1 PCT/JP2013/078999 JP2013078999W WO2014091829A1 WO 2014091829 A1 WO2014091829 A1 WO 2014091829A1 JP 2013078999 W JP2013078999 W JP 2013078999W WO 2014091829 A1 WO2014091829 A1 WO 2014091829A1
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WO
WIPO (PCT)
Prior art keywords
mobile display
display
mobile
cover glass
surface portion
Prior art date
Application number
PCT/JP2013/078999
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和田　正紀
小谷　修
政幸 池本
Original Assignee
日本電気硝子株式会社
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 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Publication of WO2014091829A1 publication Critical patent/WO2014091829A1/ja

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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
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/08—Glass having a rough surface

Definitions

  • the present invention relates to a cover glass for a mobile display and a mobile display including the same.
  • a mobile device having a display such as a mobile phone, a smartphone, a notebook personal computer, and a tablet personal computer have been widely used (hereinafter, a mobile device having a display is referred to as a “mobile display”). .
  • Patent Document 1 describes a cover glass that can be used for a mobile display.
  • the cover glass described in Patent Literature 1 includes a front surface portion positioned on the front surface of the image display portion, a bent portion bent from the front surface portion on both sides in the width direction of the image display portion, and a skirt portion connected to the bent portion. .
  • Patent Document 1 there is a desire to improve the handling of a mobile display using a cover glass that covers the front and side surfaces of the mobile display.
  • the main object of the present invention is to provide a cover glass for mobile display capable of realizing a mobile display excellent in handleability.
  • the first mobile display cover glass according to the present invention includes a front portion and a side portion.
  • the front part is located on the display part of the mobile display.
  • the side part is connected to the front part.
  • the side part is located on the side of the mobile display.
  • the surface roughness (Ra) of at least a part of the outer surface of the side surface portion is larger than the surface roughness (Ra) of the outer surface of the front surface portion.
  • the surface roughness (Ra) of at least a part of the outer surface of the side surface portion is 100 times or more the surface roughness (Ra) of the outer surface of the front surface portion. It is preferable.
  • the surface roughness (Ra) of at least a part of the outer surface of the side surface portion is 0.5 ⁇ m or more.
  • irregularities may be provided on at least a part of the outer surface of the side surface portion. In that case, it is preferable that the distance between the top part and the bottom part of the unevenness is 50 ⁇ m or more in the perpendicular direction of the side surface part.
  • the second mobile display cover glass according to the present invention includes a front surface portion and a side surface portion.
  • the front part is located on the display part of the mobile display.
  • the side part is connected to the front part.
  • the side part is located on the side of the mobile display. Concavities and convexities are provided on at least a part of the outer surface of the side surface portion.
  • the distance between the top and bottom of the unevenness is 50 ⁇ m or more in the direction perpendicular to the side surface.
  • the first mobile display according to the present invention includes a mobile display main body and a cover glass.
  • the mobile display main body has a display unit on the main surface.
  • the cover glass has a front surface portion and a side surface portion.
  • the front part is arranged on the display part.
  • the side part is connected to the front part.
  • the side part is arranged on the side of the mobile display main body.
  • the surface roughness (Ra) of at least a part of the outer surface of the side surface portion is larger than the surface roughness (Ra) of the outer surface of the front surface portion.
  • the second mobile display according to the present invention includes a mobile display main body and a cover glass.
  • the mobile display main body has a display unit on the main surface.
  • the cover glass has a front surface portion and a side surface portion.
  • the front part is arranged on the display part.
  • the side part is connected to the front part.
  • the side part is arranged on the side of the mobile display main body. Concavities and convexities are provided on at least a part of the outer surface of the side surface portion.
  • a cover glass for a mobile display capable of realizing a mobile display excellent in handleability.
  • FIG. 1 is a schematic perspective view of a mobile display according to an embodiment of the present invention.
  • FIG. 2 is a schematic side view of a mobile display according to an embodiment of the present invention.
  • FIG. 3 is a schematic perspective view for explaining a portion having a large surface roughness in the mobile display according to the embodiment of the present invention.
  • FIG. 4 is a schematic side view of a mobile display according to another embodiment of the present invention.
  • FIG. 1 is a schematic perspective view of a mobile display 1 in the present embodiment.
  • FIG. 2 is a schematic side view of the mobile display 1 in the present embodiment.
  • the mobile display 1 may be, for example, a mobile phone, a smartphone, a notebook personal computer, a tablet personal computer, or the like.
  • the mobile display 1 includes a mobile display main body 20 and a cover glass 10.
  • the mobile display body 20 is provided in a rectangular plate shape having a main surface 21 and side surfaces 22 and 23 located on the long side of the main surface 21.
  • the shape of the mobile display body is not particularly limited as long as it is plate-shaped.
  • the main surface 21 has a display unit for displaying images, characters, and the like.
  • the display unit may constitute a touch panel surface.
  • the side surfaces 22 and 23 may also have a display unit constituting a display unit and a touch panel surface.
  • the cover glass 10 is provided so as to cover the main surface 21 and the side surfaces 22 and 23 of the mobile display body 20.
  • the cover glass 10 can be composed of, for example, a chemically strengthened glass plate made of chemically strengthened glass, a crystallized glass plate, or the like.
  • the thickness of the cover glass 10 is not particularly limited, but is preferably 0.2 mm to 1.5 mm, more preferably 0.25 mm to 1.1 mm, and preferably 0.3 mm to 1.0 mm. Further preferred.
  • the cover glass 10 has a front surface part 11.
  • the front surface portion 11 is disposed above the main surface 21 of the mobile display body 20.
  • the front part 11 is flat form from a viewpoint of improving the display quality of a display.
  • both main surfaces of the front part 11 have high flatness.
  • the surface roughness (Ra) of the outer surface (the main surface on the z1 side) of the front surface portion 11 is small.
  • the surface roughness (Ra) of each of the outer surface and the inner surface of the front surface portion 11 is preferably 0.01 ⁇ m or less, and more preferably 0.008 ⁇ m or less.
  • the surface roughness (Ra) is an arithmetic average roughness (Ra) defined by JIS B0601-2001.
  • the surface roughness (Ra) can be measured by using Surfcom 5000DX manufactured by Tokyo Seimitsu Co., Ltd.
  • Platinum includes being substantially flat.
  • a “flat plate” includes a plate having one surface and another surface inclined within a range of 5 ° or less with respect to the one surface.
  • a first side surface portion 12 is connected to an end portion on the x1 side in the x-axis direction of the front surface portion 11.
  • the first side surface portion 12 is a portion disposed on the side of the mobile display main body 20. Specifically, the first side surface portion 12 is disposed on the x1 side of the mobile display body 20 in the x-axis direction.
  • the first side surface portion 12 includes a first bent portion 12a.
  • the first bent portion 12 a is connected to the front surface portion 11.
  • the first bent portion 12a is bent from the end portion on the x1 side in the x-axis direction of the front surface portion 11 toward the rear side (z2 side).
  • the bending angle which is the size of each of the tangent line of the inner wall surface at the x1 side end portion of the front surface portion 11 and the tangent line of the inner wall surface at the tip of the first side surface portion 12, is 90 ° to 170 °.
  • the angle is preferably 90 ° to 150 °.
  • the first side surface portion 12 includes a first bent portion 12a and a first flat plate portion 12b connected to the tip of the first bent portion 12a.
  • the 1st side part 12 may be comprised only by the 1st bending part 12a, for example.
  • a second side surface portion 13 is connected to the x2 side end portion of the front surface portion 11 in the x-axis direction.
  • This 2nd side part 13, the front part 11, and the 1st side part 12 are comprised by the glass plate of 1 sheet.
  • the second side surface portion 13 is a portion disposed on the side of the mobile display main body 20. Specifically, the second side surface portion 13 is disposed on the x2 side of the mobile display main body 20 in the x-axis direction.
  • the second side surface portion 13 includes a second bent portion 13a.
  • the second bent portion 13 a is connected to the front surface portion 11.
  • the second bent portion 13a is bent from the x2 side end portion in the x-axis direction of the front surface portion 11 toward the rear (z2 side).
  • the bending angle between the front surface portion 11 and the second side surface portion 13 is preferably 90 ° to 170 °, and more preferably 90 ° to 150 °.
  • the second side surface portion 13 includes a second bent portion 13a and a second flat plate portion 13b connected to the tip of the second bent portion 13a.
  • the 2nd side part 13 may be comprised only by the 2nd bending part 13a, for example.
  • the mobile display 1 is normally held by placing a finger on the side surface portion 12 and the side surface portion 13.
  • the surface roughness (Ra) of at least a part of the outer surfaces of the side surface portions 12 and 13 is larger than the surface roughness (Ra) of the outer surface of the front surface portion 11.
  • the frictional force generated between the side surface parts 12, 13 and the finger is large, and the finger is difficult to slip. Therefore, the mobile display 1 has excellent grip properties. Therefore, the mobile display 1 is excellent in handleability.
  • the surface roughness (Ra) of the outer surface of the cover glass 10 increases, and the display quality may be reduced.
  • the surface roughness (Ra) of the outer surface of the front surface portion 11 located on the display portion is reduced, while the surface roughness (Ra) of at least a part of the side surface portions 12 and 13 is reduced.
  • the surface roughness (Ra) of at least a part of the outer surface of the side surface portions 12 and 13 is 100 times or more the surface roughness (Ra) of the outer surface of the front surface portion 11. It is preferable that it is 200 times or more.
  • the surface roughness (Ra) of the outer surfaces of the side surface parts 12 and 13 is preferably 0.5 ⁇ m or more, more preferably 0.8 ⁇ m or more, and further preferably 1 ⁇ m or more. preferable.
  • the surface roughness (Ra) of the front end portion 13b1 of the flat plate portion 13b of the side surface portion 13 is larger than the surface roughness (Ra) of the outer surface of the front surface portion 11.
  • the surface roughness (Ra) of the outer surface of the portion of the side surface portion 13 other than the tip portion 13b1 and the bent portion 13a is substantially the same as the surface roughness (Ra) of the outer surface of the front surface portion 11.
  • the surface roughness (Ra) of the front end portion 12 b 1 of the flat plate portion 12 b is larger than the surface roughness (Ra) of the outer surface of the front surface portion 11.
  • the surface roughness (Ra) of the outer surface of the portion other than the tip portion 12b1 of the side surface portion 12 and the bent portion 12a is substantially the same as the surface roughness (Ra) of the outer surface of the front surface portion 11.
  • the method of increasing the surface roughness (Ra) of at least a part of the outer surfaces of the side surface parts 12 and 13 is not particularly limited.
  • the surface roughness (Ra) is obtained by pressing a member having a large surface roughness (Ra) (for example, a pressing tool). May form a large part.
  • a portion having a large surface roughness (Ra) may be formed by chemical etching or blasting.
  • the outer surfaces of the side surface portions 12 and 13 may be provided with irregularities.
  • the distance between the top and bottom of the irregularities is preferably 50 ⁇ m or more, and more preferably 70 ⁇ m or more in the perpendicular direction of the side surfaces 12 and 13.
  • the distance between the top and bottom of the irregularities is preferably 1 ⁇ 2 or less of the average thickness of the side surface parts 12 and 13.
  • the shape of the unevenness provided on the side surfaces 12 and 13 is not particularly limited.
  • the unevenness provided on the side surfaces 12 and 13 may be provided in a linear shape, or may be provided in a pyramid shape, a cone shape, a truncated pyramid shape, a truncated cone shape, a prism shape, or a columnar shape.
  • a plurality of types of irregularities having at least one of shape and size may be provided on the side surfaces 12 and 13.
  • the surface roughness (Ra) of at least part of the outer surface of the side surface parts 12 and 13 is It is not necessarily required to be larger than the surface roughness (Ra) of the outer surface of the front surface portion 11.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Telephone Set Structure (AREA)
PCT/JP2013/078999 2012-12-12 2013-10-25 モバイルディスプレイ用カバーガラス及びモバイルディスプレイ WO2014091829A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-270872 2012-12-12
JP2012270872A JP2014115544A (ja) 2012-12-12 2012-12-12 モバイルディスプレイ用カバーガラス及びモバイルディスプレイ

Publications (1)

Publication Number Publication Date
WO2014091829A1 true WO2014091829A1 (ja) 2014-06-19

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PCT/JP2013/078999 WO2014091829A1 (ja) 2012-12-12 2013-10-25 モバイルディスプレイ用カバーガラス及びモバイルディスプレイ

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JP (1) JP2014115544A (zh)
TW (1) TW201426257A (zh)
WO (1) WO2014091829A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10712848B2 (en) 2016-01-14 2020-07-14 Samsung Electronics Co., Ltd. Electronic device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10509439B2 (en) 2014-09-02 2019-12-17 Samsung Electronics Co., Ltd. Curved display, display case, and electronic device including the same
WO2016036058A1 (en) * 2014-09-02 2016-03-10 Samsung Electronics Co., Ltd. Curved display and electronic device including the same
US9298220B2 (en) 2014-09-02 2016-03-29 Samsung Electronics Co., Ltd. Curved display and electronic device including the same
KR101516766B1 (ko) 2014-09-02 2015-05-04 삼성전자주식회사 곡면 표시 영역을 가지는 디스플레이 및 이를 포함하는 전자 장치
JP2016057617A (ja) * 2014-09-05 2016-04-21 株式会社半導体エネルギー研究所 電子機器
KR20170022519A (ko) * 2015-08-21 2017-03-02 씨유테크 주식회사 휴대폰 글래스 커버
JP6907778B2 (ja) * 2017-07-20 2021-07-21 日本電気硝子株式会社 カバー部材及び情報機器

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JP2008139529A (ja) * 2006-12-01 2008-06-19 Seiko Epson Corp 電気光学装置、電気光学装置の製造方法、投射型表示装置および電子機器
JP2009098551A (ja) * 2007-10-19 2009-05-07 Seiko Epson Corp 電気光学装置、電気光学装置の製造方法、電子機器
JP2012101975A (ja) * 2010-11-10 2012-05-31 Asahi Glass Co Ltd フラットパネルディスプレイ用カバーガラス及びその製造方法
JP2012211044A (ja) * 2011-03-31 2012-11-01 Konica Minolta Advanced Layers Inc カバーガラス板の製造方法
JP2012236764A (ja) * 2012-07-23 2012-12-06 Hoya Corp 携帯機器用カバーガラスのガラス基材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008139529A (ja) * 2006-12-01 2008-06-19 Seiko Epson Corp 電気光学装置、電気光学装置の製造方法、投射型表示装置および電子機器
JP2009098551A (ja) * 2007-10-19 2009-05-07 Seiko Epson Corp 電気光学装置、電気光学装置の製造方法、電子機器
JP2012101975A (ja) * 2010-11-10 2012-05-31 Asahi Glass Co Ltd フラットパネルディスプレイ用カバーガラス及びその製造方法
JP2012211044A (ja) * 2011-03-31 2012-11-01 Konica Minolta Advanced Layers Inc カバーガラス板の製造方法
JP2012236764A (ja) * 2012-07-23 2012-12-06 Hoya Corp 携帯機器用カバーガラスのガラス基材

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10712848B2 (en) 2016-01-14 2020-07-14 Samsung Electronics Co., Ltd. Electronic device
US11221695B2 (en) 2016-01-14 2022-01-11 Samsung Electronics Co., Ltd. Electronic device

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Publication number Publication date
TW201426257A (zh) 2014-07-01
JP2014115544A (ja) 2014-06-26

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