Optical device

Abstract

An optical device includes: a multilayer structure substrate on which plural insulating layers are stacked and a wiring pattern is formed between layers; a recessed part for exposing the wiring pattern between the layers by cutting off a part of the multilayer structure substrate; an optical element mounted within the recessed part in electric conduction to the wiring pattern exposed by the recessed part; and an optical waveguide member forming an optical path for the optical element and guiding light along a surface of the multilayer structure substrate.

What is claimed is: 
     
       1. An optical device comprising:
 an optical element configured to output light, said optical element being within a recessed part;   an optical waveguide member configured to provide an optical path for said light, said optical waveguide member being within said recessed part,   wherein said recessed part is an opening through a first layer, said opening extending to a first wiring pattern,   wherein a second layer is between said first wiring pattern and a second wiring pattern, an electric conduction through said second layer being configured to electrically conduct said first wiring pattern to said second wiring pattern.   
     
     
       2. The optical device according to  claim 1 , wherein said opening extends to a wire of the first wiring pattern. 
     
     
       3. The optical device according to  claim 1 , further comprising:
 a driving circuit electrically conducted to said first wiring pattern and said optical element, said driving circuit being within said recessed part.   
     
     
       4. The optical device according to  claim 1 , wherein said first layer is an insulating layer. 
     
     
       5. The optical device according to  claim 1 , wherein said light travels along said optical path, a bevel worked surface at an end of the optical waveguide member being configured to convert a direction of the optical path. 
     
     
       6. The optical device according to  claim 1 , wherein said optical element is configured to output plural beams of the light, plural optical waveguides of the optical waveguide member being configured to guide said plural beams. 
     
     
       7. The optical device according to  claim 1 , wherein said optical waveguide member is connected to a lens member, said lens member being configured to diffuse or focus said light. 
     
     
       8. The optical device according to  claim 1 , wherein said optical waveguide member connected to an optical fiber, said optical fiber being configured to transmit said light from said optical waveguide. 
     
     
       9. The optical device according to  claim 8 , wherein said optical fiber is connected to a groove in a part of the optical waveguide, said light in the optical waveguide member being guided by said groove. 
     
     
       10. The optical device according to  claim 8 , wherein a non-recessed part of the first layer encircles said recessed part, said optical fiber extending from said recessed part through said non-recessed part. 
     
     
       11. The optical device according to  claim 10 , wherein a thin film substrate is affixed to said non-recessed part, said thin film substrate encapsulating said recessed part. 
     
     
       12. The optical device according to  claim 11 , wherein said thin film substrate is a resin substrate. 
     
     
       13. The optical device according to  claim 1 , wherein said optical element and said optical waveguide member are mounted to a support substrate. 
     
     
       14. The optical device according to  claim 13 , wherein said optical element is between a portion of the support substrate and a portion of the optical waveguide member. 
     
     
       15. The optical device according to  claim 13 , wherein said support substrate is silicon. 
     
     
       16. The optical device according to  claim 13 , wherein said support substrate is configured to cool and said optical ele- ment. 
     
     
       17. The optical device according to  claim 13 , wherein said support substrate is configured to electrically ground said optical element. 
     
     
       18. The optical device according to  claim 1 , wherein said optical element and said optical waveguide member are mounted to said second wiring pattern. 
     
     
       19. The optical device according to  claim 1 , wherein said optical element is between a portion of the second wiring pattern and a portion of the optical waveguide member. 
     
     
       20. The optical device according to  claim 1 , wherein a capacitor is mounted to said second layer. 
     
     
       21. The optical device according to  claim 1 , wherein said second layer is an insulating layer. 
     
     
       22. The optical device according to  claim 1 , wherein a support substrate is mounted to said second wiring pattern. 
     
     
       23. The optical device according to  claim 22 , wherein said optical element and said optical waveguide member are mounted to said support substrate. 
     
     
       24. The optical device according to  claim 1 , wherein a third layer is between said second wiring patter and a third wiring pattern, a fourth layer being between said third wiring pattern and a fourth wiring pattern. 
     
     
       25. The optical device according to  claim 24 , wherein said third and fourth layers are insulating layers. 
     
     
       26. The optical device according to  claim 24 , wherein an electric conduction through said second, third and fourth layers is configured to electrically conduct said first wiring pattern to said fourth wiring pattern. 
     
     
       27. The optical device according to  claim 24 , wherein an electric conduction through said third and fourth layers is configured to electrically conduct said second wiring pattern to said fourth wiring pattern. 
     
     
       28. The optical device according to  claim 24 , wherein an electric conduction through said fourth layer is configured to electrically conduct said third wiring pattern to said fourth wiring pattern. 
     
     
       29. An optical device comprising:
 a multiple structure substrate including a recessed part, and layers stacked along a first direction, the layers including a first layer and a second layer;   an optical element within the recessed part, the optical element is configured to output light;   a driver IC between the optical element and a first wiring pattern along a second direction perpendicular to the first direction, the first wiring pattern and the optical element are wired directly to the driver IC; and   an optical waveguide member within the recessed part, the optical waveguide member is configured to provide an optical path for the light,   wherein the recessed part is an opening through the first layer and an opening through the second layer, the opening through the second layer extends to the first wiring pattern along the second direction, and   wherein an electric conduction through the second layer electrically conducts the first wiring pattern to a second wiring pattern, the second layer is between the first wiring pattern and the second wiring pattern.   
     
     
       30. The optical device according to  claim 29 , further comprising:
 a capacitor between the first wiring pattern and a terminal, the terminal and the first wiring pattern are electrically connected directly to the capacitor.   
     
     
       31. The optical device according to  claim 30 , wherein the terminal is on the second layer. 
     
     
       32. The optical device according to  claim 30 , wherein the terminal is configured to supply a signal to the driver IC. 
     
     
       33. The optical device according to  claim 30 , wherein the capacitor is mounted to the second layer. 
     
     
       34. The optical device according to  claim 29 , wherein the first layer is an insulating layer. 
     
     
       35. The optical device according to  claim 29 , wherein the driver IC is configured to control an amount of the light that is emitted from the optical element. 
     
     
       36. The optical device according to  claim 29 , wherein the driver IC is within the recessed part. 
     
     
       37. The optical device according to  claim 29 , wherein the optical element comprises at least one surface emitting light emitting element. 
     
     
       38. The optical device according to  claim 29 , wherein a bevel worked surface at an end of the optical waveguide member is configured to convert a direction of the optical path, the light travels along the optical path. 
     
     
       39. The optical device according to  claim 29 , wherein the optical element is configured to output plural beams of the light, plural optical waveguides of the optical waveguide member are configured to guide the plural beams. 
     
     
       40. The optical device according to  claim 29 , wherein the optical waveguide member is connected to a lens member, the lens member is configured to diffuse or focus the light. 
     
     
       41. The optical device according to  claim 29 , further comprising:
 an optical fiber configured to transmit the light from the optical waveguide member, the optical waveguide member is connected to the optical fiber.   
     
     
       42. The optical device according to  claim 41 , wherein the optical fiber is connected to a groove in a part of the optical waveguide, the groove is configured to guide the light in the optical waveguide member. 
     
     
       43. The optical device according to  claim 41 , wherein a non-recessed part of the first layer encircles the recessed part, the optical fiber extends from the recessed part through the non-recessed part. 
     
     
       44. The optical device according to  claim 43 , further comprising:
 a thin film substrate that encapsulates the recessed part, the non-recessed part is affixed to the thin film substrate.   
     
     
       45. The optical device according to  claim 44 , wherein the thin film substrate is a resin substrate. 
     
     
       46. The optical device according to  claim 29 , wherein the optical element and the optical waveguide member are mounted to a support substrate. 
     
     
       47. The optical device according to  claim 46 , wherein the optical element is between a portion of the support substrate and a portion of the optical waveguide member. 
     
     
       48. The optical device according to  claim 46 , wherein the support substrate is silicon. 
     
     
       49. The optical device according to  claim 46 , wherein the support substrate is configured to cool the optical element. 
     
     
       50. The optical device according to  claim 46 , wherein the support substrate is configured to electrically ground the optical element. 
     
     
       51. The optical device according to  claim 29 , wherein the optical element and the optical waveguide member are mounted to the second wiring pattern. 
     
     
       52. The optical device according to  claim 29 , wherein the optical element is between a portion of the second wiring pattern and a portion of the optical waveguide member. 
     
     
       53. The optical device according to  claim 29 , wherein the second layer is an insulating layer. 
     
     
       54. The optical device according to  claim 29 , wherein a support substrate is mounted to the second wiring pattern. 
     
     
       55. The optical device according to  claim 54 , wherein the optical element and the optical waveguide member are mounted to the support substrate. 
     
     
       56. The optical device according to  claim 29 , wherein a third layer is between the second wiring pattern and a third wiring pattern, a fourth layer is between the third wiring pattern and a fourth wiring pattern. 
     
     
       57. The optical device according to  claim 56 , wherein the third and fourth layers are insulating layers. 
     
     
       58. The optical device according to  claim 56 , wherein an electric conduction through the second, third and fourth layers is configured to electrically conduct the first wiring pattern to the fourth wiring pattern. 
     
     
       59. The optical device according to  claim 56 , wherein an electric conduction through the third and fourth layers is configured to electrically conduct the second wiring pattern to the fourth wiring pattern. 
     
     
       60. The optical device according to  claim 56 , wherein an electric conduction through the fourth layer is configured to electrically conduct the third wiring pattern to the fourth wiring pattern.