JP6055275B2 - 半導体集積回路装置および電子機器 - Google Patents
半導体集積回路装置および電子機器 Download PDFInfo
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- JP6055275B2 JP6055275B2 JP2012243296A JP2012243296A JP6055275B2 JP 6055275 B2 JP6055275 B2 JP 6055275B2 JP 2012243296 A JP2012243296 A JP 2012243296A JP 2012243296 A JP2012243296 A JP 2012243296A JP 6055275 B2 JP6055275 B2 JP 6055275B2
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- 230000020169 heat generation Effects 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
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- 239000004020 conductor Substances 0.000 claims description 3
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- H—ELECTRICITY
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49838—Geometry or layout
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/765—Making of isolation regions between components by field effect
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- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/4985—Flexible insulating substrates
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- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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Description
(表示装置)
実施の形態に係る表示装置50は、図1に示すように、表示部10と、表示部10に接続され、半導体集積回路261・262を実装したCOF基板141・142と、COF基板141・142に接続され、各種のディスクリート部品を実装するPCB基板16とを備える。表示部10は、例えば、LCDパネルで構成可能である。
液晶駆動モジュールでは、電源回路やLEDドライバ回路に、例えば、2重拡散型絶縁ゲート電界効果トランジスタ(DMOS:Double-Diffused Meta-Oxide Semiconductor)構造のパワー半導体デバイスが用いられ、液晶表示装置の駆動に伴って、このパワー半導体デバイスが発熱するため放熱対策が必要である。
実施の形態に係る表示装置50において、PCB基板16上に実装されるインダクタンス、ダイオード、キャパシタ、抵抗、EEPROMなどの各素子の模式的平面パターン構成は、図5に示すように表される。図5においては、インダクタンス・ダイオード・キャパシタ・抵抗・EEPROMの各ブロックを161・162・163・164・165で表している。このように、実施の形態に係る表示装置50においては、PCB基板16は、ディスクリート部品のみを搭載するため、比較例(図2)のPCB基板17に比べて、小型化可能である。具体的には、例えば、インダクタンスは4個、ダイオードは6個、キャパシタは60個、抵抗は20個、EEPROMは2個配置可能である。
実施の形態に係る表示装置50において、PCB基板16上に配置されるインダクタンスL、ダイオードD、キャパシタCからなる回路と半導体集積回路26上に配置されるDMOSFETとの接続回路例は、図6に示すように表される。
実施の形態に係る半導体集積回路装置60において、COF基板14上に半導体集積回路26を配置した模式的平面パターン構成は、図12に示すように表される。
実施の形態に係る表示装置50において、LEDドライバ5によって駆動される4チャンネル×8個直列LEDアレイ部分の回路構成例は、図26に示すように表される。図26に示す例では、アノードラインALとカソードラインKLとの間に、8個のLED(D1、D2、…、D8)を直列接続した4チャンネルのLEDアレイが接続されている。この各LEDアレイは、例えば、約30V〜40V程度の駆動電圧を供給可能なLEDドライバ5によって駆動され、実施の形態に係る表示装置50のバックライトとして機能する。
実施の形態に係る表示装置50において、表示部10に配置されるTFTアレイセル部分の回路構成例は、図27(a)に示すように表され、別のTFTアレイセル部分の回路構成例は、図27(b)に示すように表される。
実施の形態に係る半導体集積回路装置60は、さまざまな電子機器に適用可能である。すなわち、実施の形態に係る半導体集積回路装置60を適用することによって、さまざまな電子機器を提供可能である。実施の形態に係る半導体集積回路装置60は、例えば、携帯電話、デジタルカメラ、ビデオカメラ、タブレット端末、デスクトップコンピュータ、プリンタ、テレビ受像機、ノートブックコンピュータ、電子玩具、各種表示装置などの電子機器に内蔵されていてもよい。
上記のように、実施の形態に係る溶液検査装置について記載したが、この開示の一部をなす論述および図面は例示的なものであり、この発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施の形態、実施例および運用技術が明らかとなろう。
2…LDOレギュレータ
3、31、32…電圧制御IC(VCON)
4、41、42、43、44、41、42…DC/DCコンバータ
5、18…LEDドライバ
6…レベルシフタ(L/S)
7a、7b、24、24A、24B…ソースドライバ(S/D)
8a、8b…低電圧作動シグナリング(LVDS)
9…4chカレントシンク
10…表示部(LCDパネル)
12、12S、12D、12SUB…COF配線(銅箔パターン)
14、14a、141、142、15…COF基板
16、17…PCB基板
161…インダクタンス
162…ダイオード
163…キャパシタンス
164…抵抗
165…EEPROM
20、20A、20B…パワーマネージメントIC
25…樹脂層
26、26a、261、262…半導体集積回路
27…バンプ形成領域
30…マイクロバンプ(BMP)
30S…ソースバンプ
30D…ドレインバンプ
30SB…ガードリングバンプ
31…電圧コンパレータ(VCOM)
32…チャージポンプ(PUMP)
34、341、342、343、344、341、342、343、Q…パワー半導体デバイス(DMOS、nMOS、pMOS、CMOS)
44…層間絶縁膜
50、50a…表示装置
60、60a…半導体集積回路装置
70…低電圧回路部(LVIC)
80…高電圧回路部(HVIC)
100…基板
102…p型基板(pウェル領域)
104…ガードリング領域(GR)
106、120…ソース領域
108、118…ドレイン領域
110…p型ベース領域
112、122…ゲート電極
114、124…ゲート絶縁膜
116…nウェル領域
AL…アノードライン
KL…カソードライン
D1、D2、…、D8…LED
Q1、Q2…薄膜トランジスタ(TFT)
S1、S2…ソースライン
G1、G2…ゲートライン
DT…ドレイン端子電極
ST…ソース端子電極
SBT…サブストレート端子電極
GR…ガードリング
Cp、Cpp、Cpn…ドレイン基板間寄生容量
IN…入力端子
OUT…出力端子
GND…接地端子
PL1、PL2、PL3…COF配線(パワーライン)
SPL…COF配線(ソースパワーライン)
DPL…COF配線(ドレインパワーライン)
GRL…COF配線(ガードリングパワーライン)
GRP…ガードリングパッド電極
SP…ソースパッド電極
GP…ゲートパッド電極
DP…ドレインパッド電極
CELL…TFTアレイセル部分
Claims (18)
- COF基板と、
前記COF基板上に実装され、低電圧で動作する低電圧回路部と、前記低電圧より高い高電圧で動作する高電圧回路部とをワンチップ化した半導体集積回路と、
前記COF基板と前記半導体集積回路とを封止する樹脂層と
を備え、
前記高電圧回路部は、パワー半導体デバイスを備え、
前記パワー半導体デバイスの各端子電極上に、電気的接続と放熱経路を兼ねるバンプを備え、
前記各端子電極は、ドレイン端子電極、ソース端子電極およびバックゲート端子電極を備え、
前記バンプは、それぞれ前記ドレイン端子電極に接続されるドレインバンプ、前記ソース端子電極に接続されるソースバンプおよび前記バックゲート端子電極に接続されるガードリングバンプを備えることを特徴とする半導体集積回路装置。 - 前記半導体集積回路は、前記COF基板上にフリップチップに配置されることを特徴とする請求項1に記載の半導体集積回路装置。
- 前記パワー半導体デバイスは、周辺部を囲繞し、前記バックゲート端子電極に接続されるガードリング領域を備え、
前記ガードリングバンプは、前記ガードリング領域上に配置されることを特徴とする請求項1に記載の半導体集積回路装置。 - 前記ドレインバンプに接続されるドレインパワーラインと、
前記ソースバンプに接続されるソースパワーラインと、
前記ガードリングバンプに接続されるガードリングパワーラインと
を備えることを特徴とする請求項3に記載の半導体集積回路装置。 - 前記COF基板上に配置されたCOF配線を備え、
前記ドレインパワーライン、前記ソースパワーラインおよび前記ガードリングパワーラインは、前記COF配線により形成されることを特徴とする請求項4に記載の半導体集積回路装置。 - 前記COF配線は、前記COF基板上に配置された導体パターンにより形成されることを特徴とする請求項5に記載の半導体集積回路装置。
- 前記ドレインパワーライン、前記ソースパワーラインおよび前記ガードリングパワーラインは、それぞれ、前記ドレインバンプ、前記ソースバンプおよび前記ガードリングバンプから離れるに従って幅が広くなることを特徴とする請求項4〜6のいずれか1項に記載の半導体集積回路装置。
- 前記ドレインパワーライン、前記ソースパワーラインおよび前記ガードリングパワーラインは、前記パワー半導体デバイスの前記ガードリング領域より外側に向けて延設され、電気的接続と放熱経路を兼ねることを特徴とする請求項4〜7のいずれか1項に記載の半導体集積回路装置。
- 前記ドレインパワーライン、前記ソースパワーラインおよび前記ガードリングパワーラインを構成する材料の熱伝導率は、前記ドレインバンプ、前記ソースバンプおよび前記ガードリングバンプを構成する材料の熱伝導率より高いことを特徴とする請求項4〜8のいずれか1項に記載の半導体集積回路装置。
- 前記ドレインパワーライン、前記ソースパワーラインおよび前記ガードリングパワーラインを構成する材料は銅であり、前記ドレインバンプ、前記ソースバンプおよび前記ガードリングバンプを構成する材料は金であることを特徴とする請求項9に記載の半導体集積回路装置。
- 前記パワー半導体デバイスは、MOSトランジスタ、DMOSトランジスタ、若しくはCMOSトランジスタのいずれかで構成されることを特徴とする請求項1〜10のいずれか1項に記載の半導体集積回路装置。
- 請求項1〜11のいずれか1項に記載の半導体集積回路装置を備えることを特徴とする電子機器。
- 請求項1〜11のいずれか1項に記載の半導体集積回路装置と、
前記半導体集積回路装置に接続される表示部と
を備えることを特徴とする表示装置。 - 前記高電圧回路部は、前記表示部のパワーマネージメントICおよびLEDドライバを備え、
前記低電圧回路部は、前記表示部のソースドライバおよびタイミングコントローラを備えることを特徴とする請求項13に記載の表示装置。 - 前記パワーマネージメントICは、DC/DCコンバータ若しくはLDOレギュレータを備えることを特徴とする請求項14に記載の表示装置。
- 前記COF基板に隣接して配置され、前記半導体集積回路装置に接続されるディスクリート部品を実装するPCB基板を備えることを特徴とする請求項13〜15のいずれか1項に記載の表示装置。
- 前記ディスクリート部品は、インダクタンス、キャパシタンスおよびダイオードを備えることを特徴とする請求項16に記載の表示装置。
- 前記半導体集積回路装置からの発熱量は、前記COF配線を介して、前記PCB基板に放熱されることを特徴とする請求項17に記載の表示装置。
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