Electro-optic module and electronic apparatus

Abstract

A first light-transmissive plate is provided on an opposite surface of a first substrate of an electro-optic panel to a second substrate. The first light-transmissive plate is smaller than the first substrate, and an end portion of the first substrate is exposed from the first light-transmissive plate. In addition, a heat radiation member made of a metal material is provided so as to be overlapped with the exposed portion from the first light-transmissive plate of the first substrate.

1 . An electro-optic module comprising:
 an electro-optic panel that includes a first substrate, a second substrate arranged so as to face the first substrate, and an electro-optic material layer provided between the first substrate and the second substrate;   a first light-transmissive plate that overlaps a side of the first substrate opposite to the second substrate in at least an image display region of the electro-optical panel in a state in which a portion of a surface of the side of the first substrate opposite to the second substrate is exposed; and   a heat radiation member comprising
 a frame portion that overlaps the side of the first substrate opposite to the second substrate on at least a part of the exposed portion of the first substrate, and 
 a parting portion that overlaps a surface of a side of the first light-transmissive plate opposite to the first substrate, 
   wherein
 the second substrate is light-transmissive, 
 the heat radiation member is made of a material higher in thermal conductivity than the first light-transmissive plate, 
 the parting portion contacts the surface of the side of the first light-transmissive plate opposite to the first substrate, 
 the frame portion contacts the side of the first substrate opposite to the second substrate, and 
 end portions of the first light-transmissive plate and the heat radiation member which face each other are spaced apart from each other. 
   
     
     
         2 . The electro-optic module according to  claim 1 , wherein the heat radiation member is made of a metal. 
     
     
         3 . The electro-optic module according to  claim 1 , wherein the first light-transmissive plate has a smaller size than a size of the first substrate, an end portion of the first light-transmissive plate is arranged between an end portion of the first substrate and an end portion of the image display region over a whole periphery of the first light-transmissive plate in plan view, and the heat radiation member is provided so as to surround the whole periphery of the first light-transmissive plate. 
     
     
         4 . The electro-optic module according to  claim 1 , wherein a thickness of the parting portion is smaller than a thickness of a portion that is overlapped with the exposed portion of the first substrate in the heat radiation member. 
     
     
         5 . The electro-optic module according to  claim 1 , wherein on a second substrate side of the first substrate, a frame for supporting the electro-optic panel is provided between the first substrate and the heat radiation member so as not to be overlapped with the image display region. 
     
     
         6 . The electro-optic module according to  claim 5 , further comprising:
 a second light-transmissive plate that is overlapped on an opposite side of the second substrate to the first substrate in the at least the image display region of the electro-optical panel in a state in which a part of an opposite side surface of the second substrate to the first substrate is exposed,   wherein end portions of the second light-transmissive plate and the frame which face each other are spaced apart from each other.   
     
     
         7 . The electro-optic module according to  claim 1 , wherein the first substrate is an element substrate including a pixel electrode and a switching element provided to correspond to the pixel electrode. 
     
     
         8 . The electro-optic module according to  claim 1 , wherein the electro-optic panel is a liquid crystal panel including a liquid crystal layer as the electro-optic material layer. 
     
     
         9 . An electronic apparatus comprising:
 the electro-optic module according to  claim 1 ;   a light source unit that emits light supplied to the electro-optic module; and   a projection optical system that projects light modulated by the electro-optic module.   
     
     
         10 . The electro-optic module according to  claim 5 , wherein end portions of the first substrate and the frame which face each other are spaced apart from each other. 
     
     
         11 . An electro-optic module comprising:
 an electro-optic panel that has an image display region in a first substrate, a second substrate arranged so as to face the first substrate, and an electro-optic material layer provided between the first substrate and the second substrate;   a first light-transmissive plate that overlaps one side of the electro-optic panel in at least the image display region of the electro-optical panel in a state in which a portion of a surface of the one side of the electro-optic panel is exposed; and   a heat radiation member comprising
 a frame portion that overlaps the one side of the electro-optic panel on at least a part of the exposed portion of the one side of the electro-optic panel, and 
 a parting portion that overlaps a surface of a side of the first light-transmissive plate opposite to the electro-optic panel, 
   wherein
 the heat radiation member is made of a material higher in thermal conductivity than the first light-transmissive plate, 
 the parting portion contacts the surface of the side of the first light-transmissive plate opposite to the electro-optic panel, 
 the frame portion contacts the one side of the electro-optic panel, and 
 end portions of the first light-transmissive plate and the heat radiation member which face each other are spaced apart from each other. 
   
     
     
         12 . An electronic apparatus that includes the electro-optic module according to  claim 11 , wherein the electro-optic panel is a light emitting display.