通过在间隔像素上叠加一层微观遮罩结构，这些 OLED 像素的发光角度会大幅缩窄至正前方约 45° 的范围内，从而形成一片「窄角发光像素」：
Film type: Polaroid i-Type Color Film (sold separately) / Film size: 2.6 x 2.1-inch prints / Weight: 239 grams / Charging method: USB-C / Companion app: No / Other features: Self-timer, selfie mirror, film counter
，更多细节参见51吃瓜
Daniel Larlham Jr.，这一点在Line官方版本下载中也有详细论述
686 LD_DESCRIPTOR2 LCALL rd D ; read low DWORD (IND ready)，详情可参考heLLoword翻译官方下载