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ARM-102 Technical Specifications
| Parameter | Specification |
|---|---|
| Field of View | 60°=52.3°(H)×29.4°(V) |
| Resolution | 1920 x 1080 |
| Color | Full-color RGB |
| Brightness | 500 nits |
| Contrast Ratio | 500:1 (FOFO) |
| Brightness Uniformity | Over 90% |
| Grayscale | 8-bit |
| Eye Movement Range | 12x8 (mm) |
| Transmittance | 85% |
| Imaging Distance | Optically Infinite |
| Displacement Volume | 4.4CC |
LCOS Specifications
Recommended working conditions
| symbol | parameter | min | typ | max | unit |
|---|---|---|---|---|---|
| V dd33 | DRAM supply voltage | 3.0 | 3.30 | 3.63 | V |
| V ddpix | pixel supply voltage a | 3.0 | 3.30 | 3.63 | V |
| V ddio | IO supply voltage | 1.62 | 1.8 | 1.98 | V |
| V dd15 b | core supply voltage | 1.425 | 1.5 | 1.575 | V |
| MAVDD b | MIPI supply voltage | 1.425 | 1.5 | 1.575 | V |
| VSS | ground | 0 | 0 | 0 | V |
| V ih | high level input voltage | 2/3 V ddio | V ddio+0.3 | V | |
| V il | low level input voltage | V ss-0.3 | 0.4 | V |
| symbol | parameter | min | typ | max | unit |
|---|---|---|---|---|---|
| I il | input leakage | -20 | 20 | μA | |
| C i | input capacitance | 5 | pF | ||
| I dd33 | DRAM supply current, 3.3V | 6 | 10 | mA | |
| I ddpix | pixel supply current, 3.3V | 14 | 70 | mA | |
| I ddio | IO supply current | 1 | 5 | mA | |
| I dd15 | supply current, Vdd15 | 150 | 200 | mA | |
| I mavdd | MIPI supply current, Vdd15 | 22 | 36 | mA | |
| C ito | ITO capacitance | 3.0 | 5.0 | nF |
Recommended working conditions
| Parameteer | maximun valu | Unit |
|---|---|---|
| Power Dissipation | R:560 G:680 B:680 | mW |
| Pulse Current (1/10 Duty, 0.1 ms pulse) | R:300 G:300 B:300 | mA |
| Forward Current | R:150 G:150 B:150 | mA |
| Reveres Voltage | 5 | V |
| Junction Temperature | 100°C |
Structural Design
Optical Display Area
1). The LCOS FPC connector is a 30pin, which can connect to the HIROSE BM23FR0.6-30DS-0.35V(51) connector.
2). The specification for the LED plug-in connector: 1mm High, 0.5mm Pitch, 4Pin (Model: AYF530435).
3). Waveguide size 44.3×42.7mm (Default shape)
Binocular Design Instructions
1). The LOE structure of the light waveguide lens in the left and right light engine modules is designed symmetrically.
2). The casings of the light engine modules, LED board & LCOS board, on the left and right are designed symmetrically.
3). The recommended distance between the eyeball and LOE should not be more than 18mm.
4). The recommended design value for the distance between the display centers of the left and right eyes is 63.5mm (corresponding to the human eye's pupil distance).
Positioning and Installation Design
Positioning Plane
The waveguide is the positioning reference for the assembly process of each component of the optical-mechanical module, andThe shape, position and dimension have the highest precision, and can be used as an optical-mechanical module and a spectacle shell assemblyprimary positioning surface
1) LOE front plane: positioning in the front-back direction
2) LOE upper plane: positioning in the up-down direction
3) LOE side plane: positioning in the left-right direction
Fixing Method
Design the outline of the internal waveguide of the front shell of the glasses and the outline of the above positioning surfaceConsistent, according to the position of the above positioning surface and the position on the optomechanical moduleOne-to-one correspondence, fix the optical-mechanical module to the glasses housing (guaranteethe strength of the front shell of the glasses)
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