| 1 | Headlamp Outer Lens | Protects internal optical components and shapes the emitted beam. | Polycarbonate (PC) | LED, halogen, and high-intensity discharge headlamps | High impact resistance, ultraviolet protection, weatherability, optical clarity, and stable light transmission. | Injection molding, hard coating, vapor or protective surface coating, and optical inspection. |
| 2 | Headlamp Projector Lens | Focuses and directs light to create a controlled low-beam or high-beam pattern. | Optical glass or heat-resistant polymer | Projector-type LED and high-intensity discharge systems | High dimensional accuracy, thermal stability, low optical distortion, and precise focal performance. | Precision glass forming or injection molding followed by grinding, polishing, and coating where required. |
| 3 | Rear Combination Lamp Lens | Distributes light for tail, brake, turn-signal, and reverse-light functions. | Polycarbonate (PC) or PMMA | LED and incandescent rear lighting | Color consistency, impact resistance, resistance to moisture and chemicals, and long-term transparency. | Injection molding with internal prisms, optical textures, coloring, welding, and leak testing. |
| 4 | Daytime Running Light Lens | Creates a highly visible daytime light signature while controlling glare. | Polycarbonate (PC) or PMMA | LED daytime running lights | Uniform luminance, high light transmission, ultraviolet resistance, low haze, and stable appearance. | Precision injection molding, light-guide molding, surface texturing, and optical measurement. |
| 5 | Fog-Lamp Lens | Shapes a broad, low-mounted beam for improved visibility in rain, mist, or snow. | Glass or polycarbonate (PC) | LED and halogen fog lamps | Resistance to stone impact, thermal cycling, water exposure, and optical flare. | Glass pressing or polymer injection molding, followed by coating, sealing, and beam-pattern testing. |
| 6 | Interior Ambient-Light Lens | Diffuses or guides light to illuminate dashboards, doors, consoles, and storage areas. | PMMA, polycarbonate, or optical silicone | Low-power LED interior lighting | Uniform illumination, low glare, color stability, compact geometry, and resistance to interior temperatures. | Injection molding, extrusion, laser texturing, light-guide forming, and diffusion treatment. |
| 7 | Camera Protective Lens or Cover | Protects the camera while allowing visible-light imaging for vehicle perception. | Optical glass or coated polycarbonate | Front-view, surround-view, rear-view, and driver-monitoring cameras | Low distortion, high transmission, abrasion resistance, anti-reflection performance, and resistance to contamination. | Precision molding or grinding, polishing, anti-reflection coating, hydrophobic coating, and alignment inspection. |
| 8 | LiDAR Optical Window | Transmits laser pulses and returning signals while sealing the sensing unit. | Optical glass or infrared-transparent polymer | Automotive LiDAR operating commonly near 905 nm or 1,550 nm | High near-infrared transmission, low surface reflection, environmental sealing, abrasion resistance, and low distortion. | Precision optical molding, coating, sealing, contamination control, and wavelength-specific transmission testing. |
| 9 | Radar Sensor Radome | Protects the radar antenna while allowing radio-frequency signals to pass through. | Low-loss polymer, often engineered thermoplastic | Short-range and long-range automotive radar, commonly around 24 GHz or 77–81 GHz | Low dielectric loss, controlled thickness, stable performance across temperature, and resistance to water and ice. | Injection molding, precision thickness control, coating or decoration, and radio-frequency testing. |
| 10 | Rain and Light Sensor Lens | Couples light between the windshield and sensor to detect rain or ambient illumination. | Optical polymer or glass | Automatic wipers, automatic headlamps, and windshield-mounted sensing modules | Stable refractive index, low scattering, accurate coupling geometry, thermal durability, and reliable adhesive compatibility. | Precision molding, optical polishing or texturing, adhesive bonding, and sensor calibration. |