Image capturing device

Abstract

An image capturing device is provided. The image capturing device includes a lens device including a first housing; and a sapphire lens directly connected to the first housing for protecting the lens device, wherein the sapphire lens includes a crystal structure and has a crystal axis, the crystal structure is a single-crystal structure, and the crystal axis includes one selected from a group consisting of c-axis (0001), a-axis (1 2 10), a-axis (11 2 0), a-axis (2 11 0), a-axis ( 11 20), a-axis ( 2 110), a-axis ( 1 2 1 0), m-axis ( 1 010), m-axis ( 1 100), m-axis (01 1 0), m-axis (10 1 0), m-axis (1 1 00), m-axis (0 1 10), r-axis (10 1 1), r-axis ( 1 01 1 ), r-axis (01 11 ), r-axis (0 1 1 1), r-axis (1 1 0 1 ) and r-axis ( 1 101).

What is claimed is: 
     
         1 . An image capturing device, comprising:
 a lens device including a housing which is a back housing of a cellphone; and   a sapphire lens disposed in a hollow area of the lens device and directly connected to the housing for protecting the lens device, wherein the sapphire lens includes a crystal structure and has a crystal axis, the crystal structure is a single-crystal structure, and the crystal axis includes one selected from a group consisting of c-axis (0001), a-axis (1 2 10), a-axis (11 2 0), a-axis (2 11 0), a-axis ( 11 20), a-axis ( 2 110), a-axis ( 1 2 1 0), m-axis ( 1 010), m-axis ( 1 100), m-axis (01 1 0), m-axis (10 1 0), m-axis (1 1 00), m-axis (0 1 10), r-axis ( 1 0 1 1), r-axis ( 1 0 1 1), r-axis (01 11 ), r-axis (0 1 11), r-axis (1 1 01) and r-axis ( 1 101).   
     
     
         2 . An image capturing device as claimed in  claim 1 , wherein:
 the lens device further includes a lens module and a circuit board coupled to the lens module, and the housing surrounds the lens module;   the sapphire lens is connected to the housing via a glue at a first temperature, wherein the glue is a macromolecular glue having an adhesion reaction at the first temperature and including one selected from a group consisting of a high-temperature reaction glue, a photosensitive glue and a dual-composition glue.   
     
     
         3 . An image capturing device as claimed in  claim 2 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         4 . An image capturing device as claimed in  claim 1 , wherein:
 the lens device further includes a lens module and a circuit board;   the housing has a plurality of hot-melt pillars, and the sapphire lens has a plurality of openings;   the housing is connected to the sapphire lens by causing the hot-melt pillars to pass through the openings and heating the hot-melt pillars, wherein the hot-melt pillars include a thermoplastic material;   the sapphire lens has a protruding portion aligned with the lens module; and   the housing surrounds the lens module, and the circuit board is coupled to the lens module.   
     
     
         5 . An image capturing device as claimed in  claim 4 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         6 . An image capturing device, comprising:
 a lens device including a housing which is a back housing of a cellphone, wherein the housing has a hollow area and; and   a sapphire lens embedded in the hollow area for protecting the lens device, wherein the sapphire lens includes a crystal structure and has a crystal axis, the crystal structure is a single-crystal structure, and the crystal axis includes one selected from a group consisting of c-axis (0001), a-axis (1 2 10), a-axis (11 2 0), a-axis (2 11 0), a-axis ( 11 20), a-axis ( 2 110), a-axis ( 1 2 1 0), m-axis ( 1 010), m-axis ( 1 100), m-axis (01 1 0), m-axis (10 1 0), m-axis (1 1 00), m-axis (0 1 10), r-axis (10 1 1), r-axis ( 1 01 1 ), r-axis (01 11 ), r-axis (0 1 1 1), r-axis (1 1 0 1 ) and r-axis ( 1 101.   
     
     
         7 . An image capturing device as claimed in  claim 6 , wherein:
 the lens device further a lens module and a circuit board coupled to the lens module, and the housing surrounds the lens module;   the sapphire lens is connected to the lens device via a glue so that the lens device is protected by the sapphire lens, wherein the glue is a macromolecular glue including one selected from a group consisting of a high-temperature reaction glue, a photosensitive glue and a dual-composition glue; and   the sapphire lens has a plurality of recesses, the housing includes a plastic, and when the sapphire lens is connected to the housing via the glue, the recesses prevent the plastic from overflowing.   
     
     
         8 . An image capturing device as claimed in  claim 7 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         9 . An image capturing device, comprising:
 a lens device including a housing which is a back housing of a cellphone; and   a sapphire lens embedded in the lens device and directly connected to the housing, wherein the sapphire lens includes a crystal structure and has a crystal axis, the crystal structure is a single-crystal structure, and the crystal axis includes one selected from a group consisting of c-axis (0001), a-axis (1 2 10), a-axis (11 2 0), a-axis (2 11 0), a-axis ( 11 20), a-axis ( 2 110), a-axis ( 1 2 1 0), m-axis ( 1 010), m-axis ( 1 100), m-axis (01 1 0), m-axis (10 1 0), m-axis (1 1 00), m-axis (0 1 10), r-axis (10 1 1), r-axis ( 1 0 11 ), r-axis (01 1 11), r-axis (0 1 11), r-axis (1 1 0 1 ) and r-axis ( 1 101).   
     
     
         10 . An image capturing device as claimed in  claim 9 , wherein:
 the lens device includes a lens module which is surrounded by the housing and a circuit board coupled to the lens module;   the sapphire lens is connected to the lens device via a glue so that the lens device is protected by the sapphire lens, wherein the glue is a macromolecular glue including one selected from a group consisting of a high-temperature reaction glue, a photosensitive glue and a dual-composition glue;   the sapphire lens is connected to the housing via the macromolecular glue at a first temperature.   
     
     
         11 . An image capturing device as claimed in  claim 10 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         12 . An image capturing device as claimed in  claim 9 , wherein:
 the lens device includes a lens module and a circuit board;   the housing includes a plurality of hot-melt pillars, and the sapphire lens includes a plurality of openings;   the housing is connected to the sapphire lens by causing the hot-melt pillars to pass through the openings and heating the hot-melt pillars, wherein the hot-melt pillars include a thermoplastic material; and   the sapphire lens has a protruding portion aligned with the lens module;   the housing surrounds the lens module, and the circuit board is coupled to the lens module.   
     
     
         13 . An image capturing device as claimed in  claim 12 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         14 . An image capturing device, comprising:
 a lens device including a housing which is a back housing of a cellphone; and   a sapphire lens embedded in the lens device and directly connected to the lens device.   
     
     
         15 . An image capturing device as claimed in  claim 14 , wherein:
 the lens device includes a lens module which is surrounded by the housing and a circuit board coupled to the lens module;   the sapphire lens is connected to the lens device via a glue so that the lens device is protected by the sapphire lens, wherein the glue is a macromolecular glue including one selected from a group consisting of a high-temperature reaction glue, a photosensitive glue and a dual-composition glue;   the sapphire lens is connected to the housing via the macromolecular glue at a first temperature, wherein the macromolecular glue has an adhesion reaction at the first temperature.   
     
     
         16 . An image capturing device as claimed in  claim 15 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         17 . An image capturing device as claimed in  claim 14 , wherein:
 the lens device includes a lens module and a circuit board;   the housing includes a plurality of hot-melt pillars, and the sapphire lens includes a plurality of openings;   the housing is connected to the sapphire lens by causing the hot-melt pillars to pass through the openings and heating the hot-melt pillars, wherein the hot-melt pillars include a thermoplastic material;   the sapphire lens has a protruding portion aligned with the lens module; and   the housing surrounds the lens module, and the circuit board is coupled to the lens module.   
     
     
         18 . An image capturing device as claimed in  claim 17 , wherein:
 the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.   
     
     
         19 . An image capturing device as claimed in  claim 14 , wherein:
 the lens device includes a lens module which is surrounded by the housing and a circuit board coupled to the lens module;   the sapphire lens is embedded in the lens device;   the housing has a hollow area, and the sapphire lens is embedded in the hollow area;   the sapphire lens is connected to the lens device via a glue so that the lens device is protected by the sapphire lens, wherein the glue is a macromolecular glue including one selected from a group consisting of a high-temperature reaction glue, a photosensitive glue and a dual-composition glue;   the sapphire lens includes a plurality of recesses, the housing includes a plastic, and when the sapphire lens is connected to the housing via the glue, the recesses prevent the plastic from overflowing; and   the image capturing device further includes a liquid crystal display, and the lens device is disposed on the liquid crystal display.