Semiconductor device, light emitting device, display device, photoelectric conversion device, electronic apparatus, illumination device, moving body, and wearable device
A semiconductor device including an element substrate having a first surface on which a terminal is arranged, a light transmissive substrate having a second surface that is coupled to the first surface via a coupling member, a wiring board having a third surface connected to the terminal, and a reinforcing member configured to reinforce bonding between the element substrate and the wiring board. The terminal is arranged along a first side of the first surface. A side surface of the light transmissive substrate includes a fourth surface arranged along the first side. A chamfered fifth surface is arranged between the second surface and the fourth surface. The coupling member contacts the fifth surface, and the reinforcing member contacts a sixth surface of the wiring board on an opposite side of the third surface, the peripheral region and the fourth surface.
1 . A light emitting device comprising:
an element substrate having a first surface on which are provided (1) an element region where an optical element including a light emitting element is arranged and (2) a peripheral region where an external connection terminal is arranged;
a light-transmissive substrate having a second surface that is coupled to the first surface via a coupling member so as to cover the element region;
a wiring board having a third surface on which an electrode connected to the external connection terminal is provided; and
a reinforcing member configured to reinforce bonding strength between the element substrate and the wiring board,
wherein the external connection terminal is arranged along a first side of the first surface,
wherein a side surface, orthogonal to the second surface, of the light-transmissive substrate includes a fourth surface arranged along the first side,
wherein a fifth surface chamfered so that an angle with respect to the second surface becomes an obtuse angle is arranged between the second surface and the fourth surface,
wherein the coupling member contacts the fifth surface, and
wherein the reinforcing member contacts a sixth surface of the wiring board on an opposite side of the third surface, the peripheral region, and the fourth surface.
2 . The device according to claim 1 , wherein the coupling member contacts part of the fifth surface, and
wherein the reinforcing member further contacts a portion of the fifth surface, which is not covered with the coupling member.
3 . The device according to claim 2 , wherein the reinforcing member contacts the coupling member.
4 . The device according to claim 1 , wherein the light-transmissive substrate has a seventh surface on an opposite side of the second surface,
wherein a transmissive member, and a frame member arranged between the transmissive member and the seventh surface to surround an outer edge portion of the seventh surface are further included in the device,
wherein the frame member includes a contact portion contacting the seventh surface, and
wherein an outer edge of the contact portion is arranged to overlap the outer edge of the seventh surface or arranged inside the outer edge of the seventh surface in orthogonal projection to the first surface.
5 . The device according to claim 1 , wherein the light-transmissive substrate has a seventh surface on an opposite side of the second surface,
wherein an eighth surface chamfered so that an angle with respect to the seventh surface becomes an obtuse angle is arranged between the fourth surface and the seventh surface, and
wherein the reinforcing member further contacts the eighth surface.
6 . The device according to claim 5 , wherein an outer edge of the seventh surface is arranged outside an outer edge of the second surface in orthogonal projection to the first surface.
7 . The device according to claim 5 , wherein the outer edge of each of the second surface and the seventh surface is chamfered over a whole circumference.
8 . The device according to claim 5 , wherein the fifth surface and the eighth surface do not overlap the element region in orthogonal projection to the first surface.
9 . The device according to claim 5 , wherein the reinforcing member contacts the coupling member.
10 . The device according to claim 5 , further comprising a transmissive member, and a frame member arranged between the transmissive member and the seventh surface to surround an outer edge portion of the seventh surface,
wherein the frame member includes a contact portion contacting the seventh surface, and
wherein an outer edge of the contact portion is arranged to overlap the outer edge of the seventh surface or is arranged inside the outer edge of the seventh surface in orthogonal projection to the first surface.
11 . The device according to claim 2 , wherein the light-transmissive substrate has a seventh surface on an opposite side of the second surface,
wherein an eighth surface chamfered so that an angle with respect to the seventh surface becomes an obtuse angle is arranged between the fourth surface and the seventh surface, and
wherein the reinforcing member further contacts the eighth surface.
12 . The device according to claim 11 , wherein an outer edge of the seventh surface is arranged outside an outer edge of the second surface in orthogonal projection to the first surface.
13 . The device according to claim 11 , wherein the outer edge of each of the second surface and the seventh surface is chamfered over a whole circumference.
14 . The device according to claim 11 , wherein the fifth surface and the eighth surface do not overlap the element region in orthogonal projection to the first surface.
15 . The device according to claim 11 , wherein the reinforcing member contacts the coupling member.
16 . The device according to claim 11 , further comprising a transmissive member, and a frame member arranged between the transmissive member and the seventh surface to surround an outer edge portion of the seventh surface,
wherein the frame member includes a contact portion contacting the seventh surface, and
wherein an outer edge of the contact portion is arranged to overlap the outer edge of the seventh surface or arranged inside the outer edge of the seventh surface in orthogonal projection to the first surface.
17 . The device according to claim 1 , wherein the external connection terminal and the electrode are connected via a bonding member, and
wherein the reinforcing member contacts the bonding member.
18 . A display device comprising:
the light emitting device according to claim 1 ; and
an active element connected to the light emitting device.
19 . A photoelectric conversion device comprising:
an optical unit including a plurality of lenses;
an image sensor configured to receive light having passed through the optical unit; and
a display unit configured to display an image,
wherein the display unit displays an image captured by the image sensor, and includes the light emitting device according to claim 1 .
20 . An electronic apparatus comprising:
a housing provided with a display unit; and
a communication unit provided in the housing and configured to perform external communication,
wherein the display unit includes the light emitting device according to claim 1 .
21 . An illumination device comprising:
a light source; and
at least one of a light diffusing unit and an optical film,
wherein the light source includes the light emitting device according to claim 1 .
22 . A moving body comprising:
a main body; and
a lighting appliance provided in the main body,
wherein the lighting appliance includes the light emitting device according to claim 1 .
23 . A wearable device comprising:
a display device configured to display an image,
wherein the display device includes the light emitting device according to claim 1 .