Optical Device, Optical Module, and Method for Manufacturing Optical Device or Optical Module

2:

• The optical device according to claim 1, wherein
• in the substrate portion, the optical region is formed at a surface recessed with respect to the peripheral region.

3:

• The optical device according to claim 1, wherein
• the optical element is a lens element, and the optical region is a lens region in which a plurality of the lens elements are arrayed.

4:

• The optical device according to claim 1, wherein
• the light-blocking and diffusing portion includes a film of a photoresist material formed at the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion.

5:

• The optical device according to claim 1, wherein
• the light-blocking and diffusing portion includes a roughened surface in which surface roughness of the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion is larger than that of a side surface of the substrate portion.

7:

• The optical module according to claim 6, wherein
• an upper end of the side wall portion is formed to be at the same height as an upper surface of the optical device or lower than the upper surface of the optical device.

8:

• The optical module according to claim 6, wherein
• the predetermined adhesive has a light-blocking property and forms the light-blocking and diffusing portion.

10:

• The method for manufacturing an optical device according to claim 9, wherein
• the forming the light-blocking and diffusing portion is performed simultaneously with the forming, and
• in the forming, a roughened surface in which surface roughness of the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion is larger than that of a side surface of the substrate portion is molded as the light-blocking and diffusing portion.

11:

• The method for manufacturing an optical device according to claim 9, wherein
• the forming the light-blocking and diffusing portion is performed after the forming, and includes forming a film of a photoresist material by photolithography at a surface of the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion, the peripheral region and the substrate portion having been molded in the forming.

12:

• The method for manufacturing an optical device according to claim 9, wherein
• the forming the light-blocking and diffusing portion is performed after the forming, and includes roughening a surface of the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion, the peripheral region and the substrate portion having been molded in the forming.

14:

• The method for manufacturing the optical module according to claim 13, wherein
• the predetermined adhesive has a light-blocking property.

15:

• The optical device according to claim 2, wherein
• the optical element is a lens element, and the optical region is a lens region in which a plurality of the lens elements are arrayed.

16:

• The optical device according to claim 2, wherein
• the light-blocking and diffusing portion includes a film of a photoresist material formed at the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion.

17:

• The optical device according to claim 2, wherein
• the light-blocking and diffusing portion includes a roughened surface in which surface roughness of the peripheral region and/or the region corresponding to the peripheral region at the opposite surface of the substrate portion is larger than that of a side surface of the substrate portion.

19:

• The optical module according to claim 18, wherein
• an upper end of the side wall portion is formed to be at the same height as an upper surface of the optical device or lower than the upper surface of the optical device.

20:

• The optical module according to claim 18, wherein
• the predetermined adhesive has a light-blocking property and forms the light-blocking and diffusing portion.