Patent ID: 11867930
Assignee: CORETRONIC CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. The projection apparatus as claimed in claim 11, wherein the light combining module is further configured to emit light having a fourth waveband, wherein the light having the fourth waveband is transmitted to the filter module, and the filter layer further comprises a fourth filter region, the fourth filter region allows the light having the fourth waveband to pass through, the diffusion layer further comprises a fourth diffusion portion with a fourth haze value, the fourth diffusion portion is disposed corresponding to the fourth filter region and allows the corresponding light having the fourth waveband to pass through, a peak value of the fourth waveband is between the peak value of the first waveband and the peak value of the third waveband, and the fourth haze value is less than the second haze value.