Site icon Daniel 的科技日誌

小米宣佈可量產屏下鏡頭!屏下鏡頭技術解構

<div class&equals;"b251a5ab27c10f4b5a7c0e69cd5b991d" data-index&equals;"1" style&equals;"float&colon; none&semi; margin&colon;20px 0 20px 0&semi; text-align&colon;center&semi;">&NewLine;<script async src&equals;"https&colon;&sol;&sol;pagead2&period;googlesyndication&period;com&sol;pagead&sol;js&sol;adsbygoogle&period;js&quest;client&equals;ca-pub-4658094738230866" &NewLine; crossorigin&equals;"anonymous"><&sol;script> &NewLine;<&excl;-- 文首廣告 --> &NewLine;<ins class&equals;"adsbygoogle" &NewLine; style&equals;"display&colon;block" &NewLine; data-ad-client&equals;"ca-pub-4658094738230866" &NewLine; data-ad-slot&equals;"7742839907" &NewLine; data-ad-format&equals;"auto" &NewLine; data-full-width-responsive&equals;"true"><&sol;ins> &NewLine;<script> &NewLine; &lpar;adsbygoogle &equals; window&period;adsbygoogle &vert;&vert; &lbrack;&rsqb;&rpar;&period;push&lpar;&lbrace;&rcub;&rpar;&semi; &NewLine;<&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">繼屏下指紋,屏下鏡頭被視為手機行業的下一個轉捩點。現時 vivo、OPPO 和小米都展示了屏下鏡頭技術。而在中興 Axon20 發佈首部撘載屏下鏡頭的手機前夕,小米公佈了最新的第三代屏下鏡頭技術。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<div style&equals;"height&colon;20px&semi;" aria-hidden&equals;"true" class&equals;"wp-block-spacer"><&sol;div>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米將自家屏下鏡頭技術分為三代。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米第一代屏下鏡頭技術是在 2019 年 6 月,是屬於實驗室的預研階段。主要是利用把 OLED 的陽極層和陰極層改為透明質地,從而提升透光性能,令自拍時光線可以進入感光元件。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">但是透明的陽陰極材料是令屏下鏡頭部分顯示屏的光度、色準和色域與正常區域有很大的差異,所以只能停留在研發階段。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-image size-large"><img src&equals;"https&colon;&sol;&sol;danieltechdiary&period;com&sol;wp-content&sol;uploads&sol;2020&sol;08&sol;e89ea2e5b995e688aae59c96-2020-08-29-16&period;34&period;52&period;png&quest;w&equals;1024" alt&equals;"" class&equals;"wp-image-4117" &sol;><figcaption>小米第一代屏下相機技術<&sol;figcaption><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<div style&equals;"height&colon;20px&semi;" aria-hidden&equals;"true" class&equals;"wp-block-spacer"><&sol;div>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米第二代屏下鏡頭技術是在 2019 年 10 月的可屏示階段。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">第二代技術將屏下相機區域的部分像素做成透明,一部分負責正常顯示,另一部分充當透明材料讓光線穿透。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">犧牲了一部分用於顯示的像素,雖然透光率得到提升,前置相機的自拍效果變好,但負責顯示的有效像素太少,雖改善了亮度、色域、色準的問題,但 PPI 卻因像素減少而下降、螢幕顆粒感明顯,屏下鏡頭與正常顯示區域存在差異,依然無法達到量產要求。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-image size-large"><img src&equals;"https&colon;&sol;&sol;danieltechdiary&period;com&sol;wp-content&sol;uploads&sol;2020&sol;08&sol;e89ea2e5b995e688aae59c96-2020-08-29-16&period;38&period;46&period;png&quest;w&equals;1024" alt&equals;"" class&equals;"wp-image-4118" &sol;><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-embed-youtube wp-block-embed is-type-rich wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class&equals;"wp-block-embed&lowbar;&lowbar;wrapper">&NewLine;<span class&equals;"embed-youtube" style&equals;"text-align&colon;center&semi; display&colon; block&semi;"><amp-youtube data-videoid&equals;"TtVsHCargXU" data-param-rel&equals;"1" data-param-showsearch&equals;"0" data-param-showinfo&equals;"1" data-param-iv&lowbar;load&lowbar;policy&equals;"1" data-param-fs&equals;"1" data-param-hl&equals;"zh-HK" data-param-autohide&equals;"2" data-param-wmode&equals;"transparent" width&equals;"950" height&equals;"535" layout&equals;"responsive"><a href&equals;"https&colon;&sol;&sol;www&period;youtube&period;com&sol;watch&quest;v&equals;TtVsHCargXU" placeholder><amp-img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;TtVsHCargXU&sol;hqdefault&period;jpg" alt&equals;"YouTube 海報" layout&equals;"fill" object-fit&equals;"cover"><noscript><img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;TtVsHCargXU&sol;hqdefault&period;jpg" loading&equals;"lazy" decoding&equals;"async" alt&equals;"YouTube 海報"><&sol;noscript><&sol;amp-img><&sol;a><&sol;amp-youtube><&sol;span>&NewLine;<&sol;div><figcaption>小米於上年公佈的第二代屏下鏡頭方案<&sol;figcaption><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<div style&equals;"height&colon;100px&semi;" aria-hidden&equals;"true" class&equals;"wp-block-spacer"><&sol;div>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米第三代屏下鏡頭技術是在 2020 年 8 月的可量產技術。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">第三代技術通過新的像素排列方式,讓屏下相機區域可以達到全分辨率的顯示效果。而不用刪除任何像素以不影響 PPI。而像素間隙做成透明材質,同時將像素的驅動電路重新設計,利用像素間隙給感光元件透光。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">此外,小米加入自研相機優化算法,改善了普通屏下相機不通透、自帶柔光濾鏡的拍照體驗,讓屏下相機實現了與常規前置相機幾乎無分別的成像表現。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-image size-large"><img src&equals;"https&colon;&sol;&sol;danieltechdiary&period;com&sol;wp-content&sol;uploads&sol;2020&sol;08&sol;e89ea2e5b995e688aae59c96-2020-08-29-16&period;41&period;44&period;png&quest;w&equals;1024" alt&equals;"" class&equals;"wp-image-4121" &sol;><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米展示了基本小米10 Ultra 的屏下鏡頭工程機效果。<&sol;p>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-embed-youtube wp-block-embed is-type-rich wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class&equals;"wp-block-embed&lowbar;&lowbar;wrapper">&NewLine;<span class&equals;"embed-youtube" style&equals;"text-align&colon;center&semi; display&colon; block&semi;"><amp-youtube data-videoid&equals;"AqReZ97V1lo" data-param-rel&equals;"1" data-param-showsearch&equals;"0" data-param-showinfo&equals;"1" data-param-iv&lowbar;load&lowbar;policy&equals;"1" data-param-fs&equals;"1" data-param-hl&equals;"zh-HK" data-param-autohide&equals;"2" data-param-wmode&equals;"transparent" width&equals;"950" height&equals;"535" layout&equals;"responsive"><a href&equals;"https&colon;&sol;&sol;www&period;youtube&period;com&sol;watch&quest;v&equals;AqReZ97V1lo" placeholder><amp-img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;AqReZ97V1lo&sol;hqdefault&period;jpg" alt&equals;"YouTube 海報" layout&equals;"fill" object-fit&equals;"cover"><noscript><img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;AqReZ97V1lo&sol;hqdefault&period;jpg" loading&equals;"lazy" decoding&equals;"async" alt&equals;"YouTube 海報"><&sol;noscript><&sol;amp-img><&sol;a><&sol;amp-youtube><&sol;span>&NewLine;<&sol;div><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-image size-large"><img src&equals;"https&colon;&sol;&sol;danieltechdiary&period;com&sol;wp-content&sol;uploads&sol;2020&sol;08&sol;e89ea2e5b995e688aae59c96-2020-08-29-16&period;48&period;41&period;png&quest;w&equals;1024" alt&equals;"" class&equals;"wp-image-4123" &sol;><figcaption>左:普通屏下相機實拍 右:小米第三代屏下相機實拍<&sol;figcaption><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<figure class&equals;"wp-block-image size-large"><img src&equals;"https&colon;&sol;&sol;danieltechdiary&period;com&sol;wp-content&sol;uploads&sol;2020&sol;08&sol;e89ea2e5b995e688aae59c96-2020-08-29-16&period;57&period;50&period;png&quest;w&equals;800" alt&equals;"" class&equals;"wp-image-4125" &sol;><figcaption>普通刪減像素版本的屏下相機與小米第三代屏下相機表現。<&sol;figcaption><&sol;figure>&NewLine;&NewLine;&NewLine;&NewLine;<p class&equals;"wp-block-paragraph">小米表示將於明年量產屏下鏡頭技術,預計會撘載在小米11 或小米MIX 4 上。值得一說的是,小米今代技術的方案供應商是 TCL 旗下華星光電,小米在項目中有參與研發和調校,並非一般使用供應鏈成熟技術之流,並會有獨佔期,可見小米開始由使用優質供應商方案轉為參與研發,或符合了小米的目標:以技術為本、性價比為綱、做最酷的產品。<&sol;p>&NewLine;<div class&equals;"b251a5ab27c10f4b5a7c0e69cd5b991d" data-index&equals;"2" style&equals;"float&colon; none&semi; margin&colon;20px 0 20px 0&semi; text-align&colon;center&semi;">&NewLine;<script async src&equals;"https&colon;&sol;&sol;pagead2&period;googlesyndication&period;com&sol;pagead&sol;js&sol;adsbygoogle&period;js&quest;client&equals;ca-pub-4658094738230866" &NewLine; crossorigin&equals;"anonymous"><&sol;script> &NewLine;<ins class&equals;"adsbygoogle" &NewLine; style&equals;"display&colon;block&semi; text-align&colon;center&semi;" &NewLine; data-ad-layout&equals;"in-article" &NewLine; data-ad-format&equals;"fluid" &NewLine; data-ad-client&equals;"ca-pub-4658094738230866" &NewLine; data-ad-slot&equals;"3095945705"><&sol;ins> &NewLine;<script> &NewLine; &lpar;adsbygoogle &equals; window&period;adsbygoogle &vert;&vert; &lbrack;&rsqb;&rpar;&period;push&lpar;&lbrace;&rcub;&rpar;&semi; &NewLine;<&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<div style&equals;"font-size&colon; 0px&semi; height&colon; 0px&semi; line-height&colon; 0px&semi; margin&colon; 0&semi; padding&colon; 0&semi; clear&colon; both&semi;"><&sol;div>

Exit mobile version