Structures and manufacturing methods for glass covered electronic devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-003/045
G02B-001/18
G02B-001/14
G02B-001/10
B32B-033/00
G02F-001/1333
출원번호
US-0727081
(2012-12-26)
등록번호
US-9785299
(2017-10-10)
발명자
/ 주소
Wickboldt, Paul
Jones, Eric
출원인 / 주소
Synaptics Incorporated
대리인 / 주소
Leydig, Voit & Mayer, Ltd.
인용정보
피인용 횟수 :
0인용 특허 :
159
초록▼
The disclosure is directed to electronic device displays which are constructed to withstand damage from an impact resistance test wherein a steel ball of 2 g having a diameter of 8 mm is dropped from a designated height greater than 1 ft, more preferably greater than 2 ft, even more preferably great
The disclosure is directed to electronic device displays which are constructed to withstand damage from an impact resistance test wherein a steel ball of 2 g having a diameter of 8 mm is dropped from a designated height greater than 1 ft, more preferably greater than 2 ft, even more preferably greater than 3 ft, still even more preferably greater than 4 ft, yet even more preferably greater than 5 ft and even more preferably greater than 6 ft. The displays are configured using, for example, ultrathin glass adhered to a base glass, wherein the adhesive layer is optimized for thinness and stiffness.
대표청구항▼
1. An impact resistant display device comprising: a first thin glass layer having a thickness less than 400 micrometers;a second base glass layer having a thickness of from 0.1 to 0.5 mm;an adhesive layer positionable between the first thin glass layer and the second base glass layer having a thickn
1. An impact resistant display device comprising: a first thin glass layer having a thickness less than 400 micrometers;a second base glass layer having a thickness of from 0.1 to 0.5 mm;an adhesive layer positionable between the first thin glass layer and the second base glass layer having a thickness of 200 micrometers or less, wherein the adhesive layer is selected based on one or more of a GPa measurement and a Young's Modulus measurement for the adhesive layer; anda sensor layer positioned between the first thin glass layer and the second base glass layer dimensioned to cover at least a portion of a height and width of the first thin glass layer or the second base glass layer wherein the sensor layer is adaptable to communicate with a printed circuit board,wherein the impact resistant display device has a total thickness of less than 800 micrometers and is constructed to pass a ball drop test of 2 grams at greater than 4 feet,wherein an element to be sensed is capable of being applied and/or swiped on the first thin glass layer, wherein the element to be sensed comprises a finger of a user, andwherein the adhesive layer comprises several layers of different materials, and a modulus averaged by thickness through the several layers is greater than 1 GPa. 2. The impact resistant display device of claim 1 further comprising a second thin glass layer wherein the sensor layer is positioned between the first thin glass layer and the second thin glass layer. 3. The impact resistant display device of claim 1 further comprising a plastic layer and a second adhesive layer, wherein the plastic layer and the second adhesive layer are positioned between the first thin glass layer and the second base glass layer such that the adhesive layer and the second adhesive layer are not adjacent. 4. The impact resistant display device of claim 3 wherein a thickness-averaged modulus of the adhesive layer, the second adhesive layer and the plastic layer is greater than 1 GPa. 5. The impact resistant display device of claim 1 further comprising one or more of a coating, a plastic film, an ink layer, an anti-fingerprint layer, and a scratch-resistant layer. 6. An impact resistant display device, comprising: a first thin glass layer having a thickness less than 400 micrometers;a second base glass layer having a thickness of from 0.1 to 0.5 mm;an adhesive layer positionable between the first thin glass layer and the second base glass layer having a thickness of 200 micrometers or less, wherein the adhesive layer is selected based on one or more of a GPa measurement and a Young's Modulus measurement for the adhesive layer; anda sensor layer positioned between the first thin glass layer and the second base glass layer dimensioned to cover at least a portion of a height and width of the first thin glass layer or the second base glass layer wherein the sensor layer is adaptable to communicate with a printed circuit board,wherein the impact resistant display device has a total thickness of less than 800 micrometers and is constructed to pass a ball drop test of 2 grams at greater than 4 feet,wherein an element to be sensed is capable of being applied and/or swiped on the first thin glass layer, wherein the element to be sensed comprises a finger of a user, andwherein the adhesive layer comprises several layers of different materials, and a modulus averaged by thickness through the several layers is greater than 1 GPa. 7. The impact resistant display device of claim 1 wherein the adhesive layer is optically transparent. 8. The impact resistant display device of claim 1 wherein the sensor layer further comprises thin patterned conductive traces. 9. The impact resistant display device of claim 1 wherein the sensor layer comprises one or more of a touch screen sensor and a biometric sensor. 10. The impact resistant display device of claim 1 wherein the thickness of the adhesive layer is a function of the at least one of the GPa measurement for the adhesive layer and the Young's Modulus measurement of the adhesive layer. 11. The impact resistant display device of claim 1 wherein an amount of deformation of the first thin glass layer relative to the second base glass layer is a function of at least one of a thickness between the first thin glass layer and the second base glass layer and at least one of the GPa measurement for the adhesive layer and the Young's Modulus measurement of the adhesive layer. 12. The impact resistant display device of claim 1 further comprising a second sensor layer positioned between the first thin glass layer and the second base glass layer dimensioned to cover at least a portion of the height and width of the first thin glass layer or the second base glass layer, wherein the second sensor layer is adaptable to communicate with a printed circuit board and to operate independently of the sensor layer. 13. The impact resistant display device of claim 1, wherein the impact resistant display device is configured to be mounted over a liquid crystal display (LCD). 14. The impact resistant display device of claim 1, wherein the adhesive layer bonds the first thin glass layer to the second base glass layer. 15. The impact resistant display device of claim 1, wherein the adhesive layer is bonded to a lower surface of the first thin glass layer, wherein the finger is capable of being applied and/or swiped on an upper surface of the first thin glass layer. 16. The impact resistant display device of claim 1, wherein the sensor layer comprises a capacitive fingerprint sensor. 17. The impact resistant display device of claim 1, wherein the adhesive layer bonds the first thin glass layer to the second base glass layer, wherein the adhesive layer is bonded to a lower surface of the first thin glass layer, wherein the sensor layer comprises a capacitive fingerprint sensor configured to capture a fingerprint applied and/or swiped on an upper surface of the first thin glass layer, and wherein the impact resistant display device is mounted over a liquid crystal display (LCD).
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