内容目录 前大灯:卤素灯-氙气灯-LED 灯-ADB 灯-DLP 灯.............................................................................................8后尾灯:分离式-贯穿式,LED-OLED..............................................................................................................17氛围灯:内饰灯融合座舱实现智能交互,外饰灯方面格栅灯进入大众视野............................................20 前大灯渗透率:2022 年 LED、ADB、DLP 灯渗透率分别为 78%、9%、低于 1%..........................21 数据总览:2022 年 LED、ADB、DLP 灯渗透率分别为 78%、9%、低于 1%,2023 年 1-4 月 ADB 灯渗透率为 9%....................................................................................................................................................................21分价格:LED 在 10 万以上乘用车渗透率超 80%,ADB 在中高端车渗透率超 10%,DLP 集中于高端车..22分燃料类型:LED 车灯已全面渗透电动车和燃油车,ADB 车灯在电动车的渗透率高于燃油车.............24分车系:LED 灯在美系、欧系渗透率超 90%,ADB 灯在欧系、中系渗透率超 11%...................................25分车型:走量车型开始中高配 ADB 灯............................................................................................................26 贯穿式 LED 尾灯:2023 年 1-4 月累计,贯穿式 LED 尾灯渗透率为 35%....................................................29OLED 尾灯:2022 年标配 OLED 尾灯渗透率低于 1%.......................................................................................32 氛围灯渗透率:前格栅灯(含贯穿式前灯)2023 年 1-4 月累计渗透率为 10%,内饰氛围灯 2021年渗透率 31%.....................................................................................................................................33 外饰氛围灯:2023 年 1-4 月累计,前格栅灯(含贯穿式前灯)的渗透率为 10%...................................33内饰氛围灯:2021 年氛围灯渗透率达 31%....................................................................................................36 车灯的市场空间和竞争格局............................................................................................................37 市场空间:全球车灯(含前大灯、后尾灯、外饰氛围灯)市场空间超 3500 亿,国内市场空间超千亿37竞争格局:全球五头割据,国内一超多强....................................................................................................39 投资建议:推荐星宇股份、科博达................................................................................................45 图表目录 图 1: 汽车零部件分析框架.......................................................................................................................................6图 2: 从数据流的角度看未来汽车核心要素...........................................................................................................7图 3: 车灯是汽车零部件细分优质赛道...................................................................................................................8图 4: 汽车前大灯技术升级路线...............................................................................................................................9图 5: 智能车灯往更高分辨率进化...........................................................................................................................9图 6: 车灯发展历程.................................................................................................................................................10图 7: LED 光源(发光二极管)..............................................................................................................................11图 8: LED 前大灯内部结构一览..............................................................................................................................11图 9: 智能车灯往更高分辨率进化.........................................................................................................................11图 10: 高分辨率像素模块:像素 LED、微型 LED 和 DLP.....................................................................................11图 11: 高分辨率智能前照灯产品...........................................................................................................................12图 12: 高分辨率智能前照灯光型比较...................................................................................................................13图 13: ADB 防炫目功能示意图................................................................................................................................14图 14: 奥迪矩阵式 LED 大灯组拆解.....................................................................................................................14图 15: LED 矩阵式智能大灯示例...........................................................................................................................14图 16: 比亚迪海豹 ADB 前大灯...............................................................................................................................14图 17: 广汽 GS8 矩阵式前大灯...............................................................................................................................14图 18: EVIYOS-μAFS 式智能大灯示例...................................................................................................................15图 19: 海拉 HD ADB 大灯效果.................................................................................................................................15图 20: DLP 成像原理................................................................................................................................................16图 21: DMD 表面微镜翻转效果及光路反射效果...................................................................................