Apparatus of measuring curvature of display panel
US9939255B2 · kind B2 · utility
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1References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 18, 2016 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Jun 10, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A curvature measuring apparatus includes: a fixing member including: a curvature portion under the display panel, the curvature portion including a bending portion to support the display panel; and a plurality of protrusions at both ends of the curvature portion; a support adjacent to the fixing member to fix the fixing member, the support including a plurality of coupling grooves; and a measuring member above the display panel to measure a curvature of the bending portion of the display panel, wherein one of the protrusions is in one of the coupling grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.