JP2023528669A - 表示パネル、表示装置、および表示パネルの準備方法 - Google Patents
表示パネル、表示装置、および表示パネルの準備方法 Download PDFInfo
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- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
Description
本願は、2020年6月10日に中国国家知識産権局に出願された「DISPLAY PANEL, DISPLAY APPARATUS, AND PREPARATION METHOD FOR DISPLAY PANEL(表示パネル、表示装置、および表示パネルの準備方法)」と題する中国特許出願第202010522792.4号に基づく優先権を主張し、当該中国特許出願はその全体が参照により本明細書に組み込まれる。
100:表示装置、200:表示パネル、300:中間フレーム、400:リアハウジング、500:プリント回路基板、10:ピクセルユニット、11:サブピクセル、111,サブサブピクセル、1111:第1サブサブピクセル、1112:第2サブサブピクセル、112:赤色サブピクセル、113:緑色サブピクセル、114:青色サブピクセル、12:パッシベーション層、13:第1電極、14:第2電極、15:N型領域層、16:マルチ量子井戸層、17:P型領域層、18:遮光隔壁、181:アルミニウムの遮光隔壁、19:LED層、191:発光機能層、192:第1の分布ブラッグ反射層、193:第2の分布ブラッグ反射層、190:カラー機能層、21:発光ダイオード層、211:バッファ層、212:GaN層、213:N型ドープのGaN層、214:マルチ量子井戸層、215:P型AlGaN層、216:P型ドープのGaN層、217:透明電極、218:発光ダイオード、219:第1遮光隔壁、2110:カラー機能層、2111:第2遮光隔壁、2112:第1の分布ブラッグ反射層、2113:第2の分布ブラッグ反射層、2114:N型領域層、2115:P型領域層、2116:アルミニウムの遮光隔壁、2117:オーミックコンタクト層、2118:絶縁層、22:第1電極、23:第2電極、24:ピクセルユニット、25:パッシベーション層、30:基板、40:トレイ、50:接着剤。
Claims (18)
- 複数のピクセルユニットを備える表示パネルであって、前記複数のピクセルユニットが少なくとも3つのカラーサブピクセルを有し、前記少なくとも3つのカラーサブピクセルがパッシベーション層によって1つのピクセルユニットにパッケージングされており、前記ピクセルユニットの前記少なくとも3つのカラーサブピクセルの一端がそれぞれ1つの第1電極に接続されており、前記ピクセルユニットの前記少なくとも3つのカラーサブピクセルの他端が1つの第2電極を共有している、表示パネル。
- 前記少なくとも3つのカラーサブピクセルのそれぞれが少なくとも2つのサブサブピクセルを含み、前記少なくとも2つのサブサブピクセルが並列に配置されている、請求項1に記載の表示パネル。
- 前記ピクセルユニットが少なくとも赤色サブピクセルおよび緑色サブピクセルを有し、赤色サブピクセルの数が緑色サブピクセルの数より多くてよい、請求項1または2に記載の表示パネル。
- 前記少なくとも3つのカラーサブピクセルの周辺部にアルミニウムの遮光隔壁が配置され得る、請求項1から3のいずれか一項に記載の表示パネル。
- 前記アルミニウムの遮光隔壁が前記少なくとも3つのカラーサブピクセルの前記第1電極または前記第2電極に接続され得る、請求項4に記載の表示パネル。
- 前記ピクセルユニットがLED層およびカラー機能層を有し、前記LED層が、連続して配置されたN型領域層、マルチ量子井戸層、およびP型領域層を含み、
前記ピクセルユニットの隣り合ったサブピクセルにおいて、前記マルチ量子井戸層と前記P型領域層との間に遮光隔壁があり、前記ピクセルユニットの前記N型領域層が一体型のN型領域層である、または
前記ピクセルユニットの隣り合ったサブピクセルにおいて、前記マルチ量子井戸層と前記N型領域層との間に遮光隔壁があり、前記ピクセルユニットの前記P型領域層が一体型のP型領域層であり得る、
請求項1から5のいずれか一項に記載の表示パネル。 - 前記ピクセルユニットがLED層およびカラー機能層を有し、前記LED層の、前記カラー機能層から離れた面に反射層を有する、請求項1から6のいずれか一項に記載の表示パネル。
- 前記ピクセルユニットがLED層およびカラー機能層を有し、前記LED層の、前記カラー機能層と向かい合う面に第2の分布ブラッグ反射層を有する、請求項1から7のいずれか一項に記載の表示パネル。
- 中間フレームと、リアハウジングと、プリント回路基板と、請求項1から8のいずれか一項に記載の表示パネルとを備える表示装置であって、
前記中間フレームが、前記プリント回路基板および前記表示パネルを支えるように構成されており、前記プリント回路基板および前記表示パネルが前記中間フレームの2つの面に配置されており、前記リアハウジングが、前記プリント回路基板の、前記中間フレームから離れた面に取り付けられている、
表示装置。 - ウェーハを準備する段階であって、前記ウェーハがLED層を有する、準備する段階と、
前記LED層の表面にカラー機能層を準備して、複数色のサブピクセルを形成する段階と、
切削によってピクセルユニット間に隔壁を取得して、複数の独立したピクセルユニットを形成する段階であって、前記ピクセルユニットが少なくとも3色のサブピクセルを有する、形成する段階と、
前記ピクセルユニットの外面にパッシベーション層を準備し、前記ピクセルユニットの各サブピクセルをパッケージングする段階と、
前記パッシベーション層を有するピクセルユニットを駆動回路付き基板に移載する段階と
を備える、表示パネルの準備方法。 - ウェーハを準備する前記段階が、
前記基板の表面に前記LED層を準備する段階であって、前記LED層の、前記基板から離れた面が反射層である、準備する段階と、
前記反射層の、前記基板から離れた表面に第1電極および第2電極を形成する段階と
を有する、
請求項10に記載の表示パネルの準備方法。 - ウェーハを準備する前記段階が、
前記LED層の、前記カラー機能層と向かい合う面に第2の分布ブラッグ反射層を準備する段階を有する、
請求項10または11に記載の表示パネルの準備方法。 - ウェーハを準備する前記段階が、
LEDに少なくとも2つの並列したサブLEDが形成されるように、イオン注入プロセスを用いて、各LEDの特定の位置に絶縁層を準備する段階と、
前記LEDに少なくとも2つの並列したサブLEDが形成されるように、各LEDの特定の位置で切削を行う段階と
を有する、
請求項10から12のいずれか一項に記載の表示パネルの準備方法。 - ウェーハを準備する前記段階が、前記LED層を切削して複数のLEDを形成し、LED間にアルミニウムの光隔壁を準備する段階を有し、
前記LED層の表面にカラー機能層を準備して、複数色のサブピクセルを形成する前記段階が、サブピクセル間にアルミニウムの遮光隔壁を準備する段階を有する、
請求項10から13のいずれか一項に記載の表示パネルの準備方法。 - 前記アルミニウムの遮光隔壁が前記サブピクセルの第1電極または第2電極に電気的に接続される、請求項14に記載の表示パネルの準備方法。
- ウェーハを準備する前記段階が、
前記LED層を準備する段階であって、前記LED層が、連続して配置されたN型領域層、マルチ量子井戸層、およびP型領域層を含む、準備する段階と、
前記N型領域層および前記マルチ量子井戸層を切削する段階とを有する、または
前記LED層を準備する段階であって、前記LED層が、連続して配置されたN型領域層、マルチ量子井戸層、およびP型領域層を含む、準備する段階と、
前記P型領域層および前記マルチ量子井戸層を切削する段階とを有する、
請求項10から15のいずれか一項に記載の表示パネルの準備方法。 - 前記ピクセルユニットが少なくとも赤色サブピクセルおよび緑色サブピクセルを有し、赤色サブピクセルの数が緑色サブピクセルの数より多くてよい、請求項10から16のいずれか一項に記載の表示パネルの準備方法。
- 前記ピクセルユニットの前記サブピクセルの一端がそれぞれ1つの第1電極に接続され、前記ピクセルユニットの前記サブピクセルの他端が1つの第2電極を共有している、請求項10から17のいずれか一項に記載の表示パネルの準備方法。
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