Input device cover member and input device
To provide an input device cover member capable of realizing excellent writability in an input operation for an input device even when a member having a high friction coefficient such as an elastomer material is used for a pen tip and said input device. An input device cover member disposed on a front surface side of a display in an input device. At least one main surface of the input device cover member has an uneven shape, and a maximum profile valley depth Rv of roughness profile element is larger than a maximum profile peak height Rp of roughness profile element on the main surface having the uneven shape.
1 . An input device cover member disposed on a front surface side of a display in an input device, wherein
at least one main surface of the input device cover member has an uneven shape, and
a maximum profile valley depth Rv of roughness profile element is larger than a maximum profile peak height Rp of roughness profile element on the main surface having the uneven shape.
2 . The input device cover member according to claim 1 , wherein Sv/Sa, which is a ratio between a maximum pit height Sv and an arithmetical mean height Sa, on the main surface having the uneven shape is 6 or more.
3 . The input device cover member according to claim 1 , wherein Sv/Sa, which is a ratio between a maximum pit height Sv and an arithmetical mean height Sa, on the main surface having the uneven shape is 15 or more.
4 . The input device cover member according to claim 1 , wherein Rv/RSm, which is a ratio between the maximum profile valley depth Rv of roughness profile element and a mean width RSm of roughness profile element, on the main surface having the uneven shape is 0.001 or more and 0.1 or less.
5 . The input device cover member according to claim 2 , wherein Rv/RSm, which is a ratio between the maximum profile valley depth Rv of the roughness profile element and a mean width RSm of the roughness profile element, on the main surface having the uneven shape is 0.001 or more and 0.1 or less.
6 . An input device comprising:
the input device cover member according to claim 1 ;
a display; and
a detection circuit for detecting a pen input.
7 . An input device comprising:
the input device cover member according to claim 2 ;
a display; and
a detection circuit for detecting a pen input.
8 . An input device comprising:
the input device cover member according to claim 3 ;
a display; and
a detection circuit for detecting a pen input.
9 . An input device comprising:
the input device cover member according to claim 4 ;
a display; and
a detection circuit for detecting a pen input.
10 . The input device cover member according to claim 3 , wherein Rv/RSm, which is a ratio between the maximum profile valley depth Rv of the roughness profile element and a mean width RSm of the roughness profile element, on the main surface having the uneven shape is 0.001 or more and 0.1 or less.
11 . The input device cover member according to claim 1 , wherein the arithmetical mean height Sa on the main surface having the uneven shape is 1 nm or more and 50 nm or less.
12 . The input device cover member according to claim 2 , wherein the arithmetical mean height Sa on the main surface having the uneven shape is 1 nm or more and 50 nm or less.
13 . The input device cover member according to claim 3 , wherein the arithmetical mean height Sa on the main surface having the uneven shape is 1 nm or more and 50 nm or less.
14 . The input device cover member according to claim 4 , wherein the arithmetical mean height Sa on the main surface having the uneven shape is 1 nm or more and 50 nm or less.
15 . The input device cover member according to claim 5 , wherein the arithmetical mean height Sa on the main surface having the uneven shape is 1 nm or more and 50 nm or less.
16 . The input device according to claim 6 further comprising an input pen for performing the pen input to the input device by moving while making contact with a main surface of the input device cover member.
17 . The input device according to claim 7 further comprising an input pen for performing the pen input to the input device by moving while making contact with a main surface of the input device cover member.
18 . The input device according to claim 8 further comprising an input pen for performing the pen input to the input device by moving while making contact with a main surface of the input device cover member.
19 . The input device according to claim 9 further comprising an input pen for performing the pen input to the input device by moving while making contact with a main surface of the input device cover member.