US 12,092,833 B2
Head-mounted display device
Li-Hsun Chang, Taoyuan (TW); and Kuan-Ying Ou, Taoyuan (TW)
Assigned to HTC Corporation, Taoyuan (TW)
Filed by HTC Corporation, Taoyuan (TW)
Filed on Dec. 23, 2022, as Appl. No. 18/087,810.
Prior Publication US 2024/0210706 A1, Jun. 27, 2024
Int. Cl. G02B 27/01 (2006.01); H05K 7/20 (2006.01); F16K 31/02 (2006.01)
CPC G02B 27/0176 (2013.01) [H05K 7/20145 (2013.01); H05K 7/20172 (2013.01); F16K 31/025 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A head-mounted display device, comprising:
a body, configured to be worn on a face of a user, wherein the body has an air channel, an air outlet, and a first air inlet, and the first air inlet is communicated with the air outlet through the air channel;
a fan, disposed in the air channel and configured to drive air inside the air channel to flow;
a first valve, disposed in the air channel;
a first shape memory alloy element, connected between the first valve and the body, and configured to move the first valve to adjust airflow inside the air channel; and
a second valve and a second shape memory alloy element, wherein the body further comprises a second air inlet, the second air inlet is communicated with the air outlet through the air channel, the second valve is disposed in the air channel, and the second shape memory alloy element is connected between the second valve and the body, and is configured to move the second valve to adjust the airflow inside the air channel.