Three-Dimensional (3D) Image System and Electronic Device

Abstract

The present application provides a three-dimensional (3D) image system, comprising a structural light module, configured to emit a structural light, wherein the structural light module comprises a first light-emitting unit, the first light-emitting unit receives a first pulse signal and emits a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength; and a light-sensing pixel array, configured to receive a reflected light corresponding to the structural light.

What is claimed is: 
     
         1 . A three-dimensional (3D) image system, characterized by, comprising:
 a structural light module, configured to emit a structural light, wherein the structural light module comprises:
 a pulse signal generator configured to generate a first pulsed signal; and 
 a first light-emitting unit, wherein the first light-emitting unit configured to receive the first pulse signal and emit a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength. 
   
     
     
         2 . The 3D image system as  claim 1 , characterized in that, the duty cycle of the first pulse signal is less than 1/50. 
     
     
         3 . The 3D image system as  claim 1 , characterized in that, the emission power of the first light-emitting unit is greater than 4 watts. 
     
     
         4 . The 3D image system as  claim 1 , characterized in that, the structural light module comprises at least a second light-emitting unit, the at least a second light-emitting unit receives at least a second pulse signal and emits at least a second light according to the at least a second pulse signal, at least a duty cycle of the at least a second pulse signal is less than the specific value, an emission power of the at least a second light-emitting unit is greater than the specific power, and the at least a second light has at least a second wavelength, respectively. 
     
     
         5 . The 3D image system as  claim 4 , characterized in that, the first wavelength and the at least a second wavelength are different. 
     
     
         6 . The 3D image system as  claim 4 , characterized in that, the duty cycles of the first pulse signal and the at least a second pulse signal are time variant. 
     
     
         7 . The 3D image system as  claim 1 , characterized in that, the duty cycle of the first pulse signal is time variant. 
     
     
         8 . An electronic device, characterized in that, comprising a three-dimensional image system, wherein the three-dimensional image system comprises:
 a light module, comprising:
 a pulse signal generator configured to generate a first pulsed signal; and 
 a first light-emitting unit, wherein the first light-emitting unit configured to receive the first pulse signal and emit a first light according to the first pulse signal, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength. 
   
     
     
         9 . The electronic device as  claim 8 , characterized in that, the duty cycle of the first pulse signal is less than 1/50, and the emission power of the first light-emitting unit is greater than 4 watts. 
     
     
         10 . The electronic device as  claim 8 , characterized in that, the light module comprises at least a second light-emitting unit, the at least a second light-emitting unit receives at least a second pulse signal and emits at least a second light according to the at least a second pulse signal, at least a duty cycle of the at least a second pulse signal is less than the specific value, an emission power of the at least a second light-emitting unit is greater than the specific power, and the at least a second light has at least a second wavelength, respectively. 
     
     
         11 . The electronic device as  claim 10 , characterized in that, the first wavelength and the at least a second wavelength are different. 
     
     
         12 . The electronic device as  claim 10 , characterized in that, the duty cycles of the first pulse signal and the at least a second pulse signal are time variant. 
     
     
         13 . The electronic device as  claim 8 , characterized in that, the duty cycle of the first pulse signal is time variant. 
     
     
         14 . A structural light module, configured to emit a structural light, wherein the structural light module comprises:
 a pulse signal generator configured to generate a first pulsed signal for driving a first light-emitting unit to emit a first light, a duty cycle of the first pulse signal is less than a specific value, an emission power of the first light-emitting unit is greater than a specific power, and the first light has a first wavelength.   
     
     
         15 . The structural light module as  claim 14 , characterized in that, the duty cycle of the first pulse signal is less than 1/50. 
     
     
         16 . The structural light module as  claim 15 , characterized in that, the emission power of the first light-emitting unit is greater than 4 watts. 
     
     
         17 . The structural light module as  claim 14 , characterized in that, the pulse signal generator is configured to generate a second pulsed signal for driving a second light-emitting unit to emit a second light. 
     
     
         18 . The structural light module as  claim 17 , characterized in that, a duty cycle of the second pulse signal is less than the specific value, an emission power of the second light-emitting unit is greater than the specific power, and the second light has at least a second wavelength.